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Formula math

 গণিতের ২০০⁺ সূত্র ও শর্টকাট টেকনিক ➺ ইউনিকোড ম্যাথ ক্যারেক্টারে করা তাই সবখানে সাপোর্ট করবে  ❏ (𝑎+𝑏)² = 𝑎²+𝑏²+2𝑎𝑏 | = (𝑎 – 𝑏)²+4𝑎𝑏 ❏ 𝑎² + 𝑏² = (𝑎+𝑏)² – 2𝑎𝑏 | = (𝑎 – 𝑏)²+2𝑎𝑏. ❏ 𝑥 + ⅟𝑥 = 𝑛 ➺ 𝑥² + ⅟𝑥² = 𝑛² – 2 | 𝑥³ + ⅟𝑥³ = 𝑛³ – 3𝑛 ❏ 𝑥 – ⅟𝑥 = 𝑛 ➺ 𝑥² + ⅟𝑥² = 𝑛²+2 | 𝑥³ + ⅟𝑥³ = 𝑛³+ 3𝑛 ❏ (𝑎 – 𝑏)² = 𝑎² – 2𝑎𝑏+𝑏² | = (𝑎+𝑏)² – 4𝑎𝑏 ❏ 𝑎² – 𝑏² = (𝑎 +𝑏)(𝑎  – 𝑏) ❏ 2(𝑎²+𝑏²) = (𝑎+𝑏)²+(𝑎 – 𝑏)² ❏ 4𝑎𝑏 = (𝑎+𝑏)² – (𝑎 – 𝑏)² ❏ 𝑎𝑏 = {(𝑎+𝑏)/2}² – {(𝑎 – 𝑏)/2}² 📚 ২ লক্ষাধিক প্রশ্নের স্বয়ংসম্পূর্ণ জব সলিউশন ফ্রি অ্যাপ.!🔎সার্চ UJS ➺ app.ebook.com.bd ❏ (𝑎+𝑏+𝑐)² = 𝑎²+𝑏²+𝑐²+2(𝑎𝑏+𝑏𝑐+𝑐𝑎) ❏ (𝑎+𝑏)³ = 𝑎³+3𝑎²𝑏+3𝑎𝑏²+𝑏³ ❏ (𝑎+𝑏)³ = 𝑎³+𝑏³+3𝑎𝑏(𝑎+𝑏) ❏ 𝑎 – 𝑏)³ = 𝑎³ – 3𝑎²𝑏+3𝑎𝑏² – 𝑏³ ❏ (𝑎 – 𝑏)³ = 𝑎³ – 𝑏³ – 3𝑎𝑏(𝑎 – 𝑏) ❏ 𝑎³+𝑏³ = (𝑎+𝑏) (𝑎² – 𝑎𝑏+𝑏²) ❏ 𝑎³+𝑏³ = (𝑎+𝑏)³ – 3𝑎𝑏(𝑎+𝑏) ❏ 𝑎³ – 𝑏³ = (𝑎 – 𝑏) (𝑎²+𝑎𝑏+𝑏²) ❏ 𝑎³ – 𝑏³ = (𝑎 – 𝑏)³+3𝑎𝑏(𝑎 – 𝑏) 📚 ২ লক্ষাধিক প্রশ্নের ফ্রি অ্যাপ.!?...

Mobile phone

 A mobile phone makes our lives easier. It can be used for work, business purposes, attending online classes, entertainment, or just talking with friends and family members. Modern smartphones have many useful features. They also have a high-speed internet connection that helps us get what we need quickly and easily. Mobile phones can be used as an alternative to laptops and desktops because they are much more compact and lightweight than their counterparts and are portable. Mobile phones have made communication more accessible than ever before. Mobile phones have encouraged a whole new way of doing things, including taking photos, videos, attending online classes, etc. The latest news and all kinds of information that help in knowledge building are available at students’ fingertips. Mobile phones these days have the capability to do nearly everything computers can do. Students use mobile phones to write assignments and create presentations. Most mobile phones have advanced video a...

Chart/ graph

  SSC, HSC, IELTS আমরা জানি যে SSC, HSC তে ইংরেজিতে 10 নাম্বারে graph অথবা chart লিখতে আসে যার মার্ক 10. IELTS writing part এর জন্যও chart/ graph description আসে।  কিন্তু আমরা অনেকেই তা লিখতে পারি না ৷ আর চার্ট বা গ্রাফ মুখস্ত করে common পাওয়া বেশ কঠিন । Graph or chart লেখার অটো সিষ্টেম ! ধাপ-১: প্রথমে ২ টি বাক্যে আমরা গ্রাফ বা চার্ট এর বিষয়ে নিচের ‍Structure এ সংক্ষেপে লিখবঃ- The Graph (is about/ shows) ………..(প্রশ্ন থেকে বিষয়বস্তু)……… In general, the graph shows (a gradual improvement/ a gradual decrease/ the percentage/ the number/ etc) of ……….. উপরের প্রশ্নে বলা হয়েছে, The graph below shows the results of SSC exam of ABC Secondary School from 2008 to 2012. এখানে  লেখাটি হচ্ছে গ্রাফ এর বিষয়বস্তু এবং আমরা গ্রাফে দেখি যে ক্রমাগত এসএসসি পরীক্ষার্থীদের পাশের হার বৃদ্ধি পাচ্ছে। এটিকে আমরা ক্রমাগত উন্নতি বা (gradual improvement ) বলতে পারি। ধাপ-২: এর পর আমরা গ্রাফের তথ্যগুলো নিচের ধারাবাহিক বর্ণনা করবঃ 2008 সালের কলামে আমরা দেখি পাশের হার 60% ছিল এবং 2012 সালে বৃদ্ধি পেয়ে তা...

My room

My room is painted in pink colour. I have a small cot for me in one corner of the room, which has pink sheets and pink colour pillows. The drapes are white, which brings in more light to the room. I have a study table, along with a bookshelf attached adjacent to my bed.The study table is wide enough for me to keep my books spread while studying. The bookshelf is well organized and I keep my book well arranged on this bookshelf. On the other side, I have my cupboard, which is brown in colour and in there is where I keep my dress and accessories. My room also has lovely and cute posters that I collect and stick on the walls. Though my parents don’t like it much, I love them a lot. A good family photo also has been framed and kept.  . I love my room very much and make it as cozier as I could. My little world, with my surprises, experiments, discoveries, secrets all together is in this room. Welcome to my little world.  My room is painted in pink colour. I have a small cot for me ...

Road accident

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  Road Accident The accident that is generally taken place on street is called road accident. It is taken place by buses, trucks, rickshaws, baby-taxies etc. It is increasing day by day. Thousands of people die every year due to street accident. Most of the accidents generally take place in urban areas. There are many causes of street accident. reckless driving of the drivers is the main cause of it. The unconsciousness of the people is also responsible for increasing street accident. Most of the drivers are not willing to obey traffic rules. On the other hand, passers-by are also over busy. They do not usually use over bridge and underground path. As a result, street accident is caused every day. However, this problem should be solved by taking necessary steps. Traffic rules should be imposed strictly. Passers-by and drivers should be aware. Radio and television can play a vital role in this regard. Our government has already taken some pragmatic steps to reduce road accident.

Dialogue about reading newspaper

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 Here is a dialogue between myself and my friend about the importance of reading newspaper. Myself: Hello, Sihab! How're you? Sihab: I'm pretty fine. And u? Myself: I am also fine. What are you doing now? Sihab: I'm reading a newspaper. Myself: Newspaper? Why are you reading newspaper? Sihab: I think you are wasting your time. Myself: Not at all. I think you are wrong. Reading newspaper is not a wastage of time.  Sihab: Really! Can you explain the importance of reading newspaper? Myself: Of course. By reading newspaper, we can get various types of news of the world like current affairs, literature,  trade and commerce, games and sports and many more.  Shihab: What else newspaper can give us?  Myself: Actually, you can see the whole world through newspapers. It mirrors the world. You can also know about varied cultural views, cartoons, comics, educative article, interests stories and so on.  Myself: But doesn't TV serve this purpose? Sihab: Television gives ...

Independence Day

  Independence Day is a significant day for the people of Bangladesh. It marks the day when the country achieved independence from Pakistan after a nine-month-long struggle. On March 26, 1971, the Father of the Nation, Bangabandhu Sheikh Mujibur Rahman, declared the independence of Bangladesh, which led to a fierce war with Pakistan. The war ended on December 16, 1971, with the surrender of the Pakistani army to the joint forces of Bangladesh and India. Since then, the people of Bangladesh celebrate this day with great pride and joy. On this day, the national flag is hoisted, and the national anthem is played all over the country. Special programs are organized in schools, colleges, and other public places to mark the day. People pay homage to the martyrs who sacrificed their lives for the freedom of the country. The Independence Day of Bangladesh is a symbol of the country’s struggle for self-determination and a reminder of the sacrifices made by the people to achieve it.

আঞ্চলিক শব্দ

  রংপুর জেলার আঞ্চলিক ভাষার উদাহরণঃ এ্যাকনা মাইনসের দুই কন্যা ব্যাটা আছিল। তার  ছোটোকোনা উয়ার বাপকে কইল,বা,মোর পইসা কড়ির ভাগ মোক দেও। ওই কতাতে তাঁয় উমার ঘরক সব বাটি দিল। অথবা একদিন চেংটু আসি দেওয়ানীক কইল বাহে, দেওয়ানীর ব্যাটা হটো তো অমপুর যাই। হামার এ্যাকনা মোকদ্দমা আছে। দেওয়ানী কইল মুই আইজ যাবার পাবার নও হামার বাড়িত আইজ সাগাই আসপে। রংপুরের কিছু আঞ্চলিক শব্দঃ                                        আঞ্চলিক শব্দ প্রকৃত শব্দ অকে উহাকে অমপুর/অংপুর রংপুর অক্ত রক্ত আঙা রাঙ আেচা ভূয়া অদ্ভুত আন্দন রান্ধন আইগন্যা উঠোন ‎ইতি এদিকে ইয়াতে ওদিকে ওতি ওদিকে উটি রুটি উন্দাও ন্যাংটা উশশানো চোয়ানো এইংকা এরকম এইকনা এতটুকু এ্যামতোন এমন ওড়েযাওয়া শেষ হওয়া ক্যাংকা কেমন কইনা কনে কশটিয়া কৃপণ কাদা মাটির গামলা কাপাট দরজা কৈতর কবুতর ক্যানে কেন খাংকা ঠৈকখানা গুদাম বোতাম চ্যাংড়া/চ্যাংড়ি ছেলে/মেয়ে ছাওয়া সন্তান গুয়া সুপারি...