Question
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Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFঅনুসৃত সূত্র
(a - b)2 = a2 + b2 - 2ab
গণনা
রাশিটিকে 4/7 দিয়ে গুণ করে পাই
⇒ 4/7 × (7b - 1/4b) = 7 × 4/7
⇒ 4b - 1/7b = 4
উভয়পক্ষে বর্গ করে পাই:
⇒ (4b - 1/7b)2 = 42
⇒
⇒
⇒
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Last updated on Jul 21, 2025
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