\(64a^3-125b^3\) का सही गुणनखंड रूप चुनिए।
Choose the correct factorised form of \(64a^3-125b^3\).
Explanation opens after your attempt
A. ((4a-5b)\(16a^2+20ab+25b^2\))
Concept
Here (64a-3=(4a)3) and (125b-3=(5b)3). Exam tip: in the difference formula, the second bracket has positive (20ab).
Why this answer is correct
The correct answer is A. ((4a-5b)\(16a^2+20ab+25b^2\)). Here (64a-3=(4a)3) and (125b-3=(5b)3). Exam tip: in the difference formula, the second bracket has positive (20ab).
Exam Tip
(64a-3=(4a)3) और (125b-3=(5b)3) हैं। परीक्षा में अंतर के सूत्र में दूसरे कोष्ठक में धन (20ab) आएगा।
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