যদি x<y, 2x=A এবং 2y=B হয়, তাহলে-
A. A=B
B. A<B
C. A>B
D. B<Y
সঠিক উত্তরঃ
B.
A<B
Explanation:
Type explanation here...
Another Explanation (5): ```html
A < B এর একাডেমিক ব্যাখ্যা
যদি x < y হয়, এবং 2x = A এবং 2y = B হয়, তাহলে কেন A < B হবে, তা নিচে ব্যাখ্যা করা হলো:
ব্যাখ্যার ধাপসমূহ:
-
শর্ত ১: x < y (অর্থাৎ, x এর মান y এর চেয়ে ছোট)
🤔 এটি আমাদের শুরু। -
শর্ত ২: 2x = A (অর্থাৎ, x এর দুইগুণ হলো A)
➕ আমরা x কে ২ দিয়ে গুণ করছি। -
শর্ত ৩: 2y = B (অর্থাৎ, y এর দুইগুণ হলো B)
✖️ আমরা y কে ও ২ দিয়ে গুণ করছি। -
যুক্তি: যেহেতু x < y, তাই x এর সাথে 2 গুণ করলে যা হবে, y এর সাথে 2 গুণ করলে তার চেয়ে বড় হবে। কারণ y, x এর চেয়ে বড়।
💡 এটাই মূল ধারণা। -
সিদ্ধান্ত: সুতরাং, যদি x < y হয়, তাহলে 2x < 2y হবে। যেহেতু 2x = A এবং 2y = B, তাই A < B হবে।
✅ প্রমাণিত।
বিষয়টিকে একটি টেবিলের মাধ্যমে উপস্থাপন করা হলো:
| চলক | মান | সম্পর্ক |
|---|---|---|
| x | যেকোনো সংখ্যা | x < y |
| y | x এর চেয়ে বড় যেকোনো সংখ্যা | y > x |
| A | 2x | x এর দুইগুণ |
| B | 2y | y এর দুইগুণ |
| ফলাফল | A < B |
উদাহরণ:
- ধরি, x = 5 এবং y = 10 (যেহেতু x < y)
- তাহলে, A = 2 * 5 = 10
- এবং, B = 2 * 10 = 20
- এখানে, স্পষ্টতই A (10) < B (20)
- 🎉 সুতরাং, A < B
সারসংক্ষেপ:
অতএব, x < y এবং 2x = A এবং 2y = B হলে, গাণিতিকভাবে প্রমাণ করা যায় যে A < B। 🎈🎈🎈
আরও ভালোভাবে বোঝার জন্য, বাস্তব জীবনের উদাহরণ নিয়ে চিন্তা করতে পারেন। 🤔 যেমন, যদি আপনার বন্ধুর চেয়ে আপনার কাছে কম সংখ্যক চকলেট থাকে, এবং আপনারা উভয়েই যদি নিজেদের চকলেটের সংখ্যা দ্বিগুণ করেন, তাহলে আপনার বন্ধুর কাছে আপনার চেয়ে বেশি চকলেট থাকবে। 🍫🍫🍫
আশা করি, এই ব্যাখ্যাটি বোধগম্য হয়েছে। 📚
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