\(a^4-16b^4\) का पूर्ण गुणनखंड रूप कौन सा है?
Which is the complete factorised form of \(a^4-16b^4\)?
Explanation opens after your attempt
B. ((a-2b)(a+2b)\(a^2+4b^2\))
Concept
First (a-4-16b-4=\(a^2-4b^2\)\(a^2+4b^2\)), then \(a^2-4b^2\) factors further. Exam tip: stop only after complete factorisation.
Why this answer is correct
The correct answer is B. ((a-2b)(a+2b)\(a^2+4b^2\)). First (a-4-16b-4=\(a^2-4b^2\)\(a^2+4b^2\)), then \(a^2-4b^2\) factors further. Exam tip: stop only after complete factorisation.
Exam Tip
पहले (a-4-16b-4=\(a^2-4b^2\)\(a^2+4b^2\)), फिर \(a^2-4b^2\) टूटता है। परीक्षा में पूर्ण गुणनखंड तक रुकें।
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