\(x^4-81\) का पूर्ण गुणनखंड रूप क्या है?
What is the complete factorised form of \(x^4-81\)?
Explanation opens after your attempt
B. ((x-3)(x+3)\(x^2+9\))
Concept
First (x-4-81=\(x^2-9\)\(x^2+9\)), then (x-2-9=(x-3)(x+3)). Exam tip: factor further when possible.
Why this answer is correct
The correct answer is B. ((x-3)(x+3)\(x^2+9\)). First (x-4-81=\(x^2-9\)\(x^2+9\)), then (x-2-9=(x-3)(x+3)). Exam tip: factor further when possible.
Exam Tip
पहले (x-4-81=\(x^2-9\)\(x^2+9\)), फिर (x-2-9=(x-3)(x+3)) होता है। परीक्षा में आगे टूट सकने वाले भाग को फिर तोड़ें।
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