\(81a^4-16b^4\) का पूर्ण गुणनखंड क्या है?
What is the complete factorisation of \(81a^4-16b^4\)?
Explanation opens after your attempt
B. ( (3a-2b)(3a+2b)\(9a^2+4b^2\) )
Concept
Here (81a-4=\(9a^2\)2) and (16b-4=\(4b^2\)2). Exam tip: factor \(9a^2-4b^2\) further too.
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.
Exam Tip
(81a-4=\(9a^2\)2) और (16b-4=\(4b^2\)2) हैं। परीक्षा में \(9a^2-4b^2\) को आगे भी तोड़ें।
Login to save your score, XP, coins and progress.
