\(a^3-b^3\) का गुणनखंड रूप कौन सा है?
What is the factorised form of \(a^3-b^3\)?
Explanation opens after your attempt
A. ((a-b)\(a^2+ab+b^2\))
Concept
The formula for difference of cubes is (a-3-b-3=(a-b)\(a^2+ab+b^2\)). Exam tip: keep all signs positive in the second bracket.
Why this answer is correct
The correct answer is A. ((a-b)\(a^2+ab+b^2\)). The formula for difference of cubes is (a-3-b-3=(a-b)\(a^2+ab+b^2\)). Exam tip: keep all signs positive in the second bracket.
Exam Tip
घनों के अंतर का सूत्र (a-3-b-3=(a-b)\(a^2+ab+b^2\)) है। परीक्षा में दूसरे कोष्ठक के सभी चिह्न धन रखें।
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