\(81a^4-16b^4\) का पूर्ण गुणनखंड क्या है?

What is the complete factorisation of \(81a^4-16b^4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. ( (3a-2b)(3a+2b)\(9a^2+4b^2\) )

Step 1

Concept

Here (81a-4=\(9a^2\)2) and (16b-4=\(4b^2\)2). Exam tip: factor \(9a^2-4b^2\) further too.

Step 2

Why this answer is correct

The correct answer is B. ( (3a-2b)(3a+2b)\(9a^2+4b^2\) ). Here (81a-4=\(9a^2\)2) and (16b-4=\(4b^2\)2). Exam tip: factor \(9a^2-4b^2\) further too.

Step 3

Exam Tip

(81a-4=\(9a^2\)2) और (16b-4=\(4b^2\)2) हैं। परीक्षा में \(9a^2-4b^2\) को आगे भी तोड़ें।

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Mathematics Answer, Explanation and Revision Hints

\(81a^4-16b^4\) का पूर्ण गुणनखंड क्या है? / What is the complete factorisation of \(81a^4-16b^4\)?

Correct Answer: B. ( (3a-2b)(3a+2b)\(9a^2+4b^2\) ). Explanation: (81a-4=\(9a^2\)2) और (16b-4=\(4b^2\)2) हैं। परीक्षा में \(9a^2-4b^2\) को आगे भी तोड़ें। / Here (81a-4=\(9a^2\)2) and (16b-4=\(4b^2\)2). Exam tip: factor \(9a^2-4b^2\) further too.

Which concept should I revise for this Mathematics MCQ?

Here (81a-4=\(9a^2\)2) and (16b-4=\(4b^2\)2). Exam tip: factor \(9a^2-4b^2\) further too.

What exam hint can help solve this Mathematics question?

(81a-4=\(9a^2\)2) और (16b-4=\(4b^2\)2) हैं। परीक्षा में \(9a^2-4b^2\) को आगे भी तोड़ें।