\(a^4-b^4\) का पूर्ण गुणनखंडन कौन सा है?
Which is the complete factorisation of \(a^4-b^4\)?
Explanation opens after your attempt
B. ((a-b)(a+b)\(a^2+b^2\))
Concept
First write (a-4-b-4=\(a^2-b^2\)\(a^2+b^2\)). Then split (a-2-b-2=(a-b)(a+b)) too.
Why this answer is correct
The correct answer is B. ((a-b)(a+b)\(a^2+b^2\)). First write (a-4-b-4=\(a^2-b^2\)\(a^2+b^2\)). Then split (a-2-b-2=(a-b)(a+b)) too.
Exam Tip
पहले (a-4-b-4=\(a^2-b^2\)\(a^2+b^2\)) करें। फिर (a-2-b-2=(a-b)(a+b)) भी तोड़ें।
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