\(5a^2-2ab+3b^2\) में से \(2a^2+5ab-b^2\) घटाने पर क्या मिलेगा?
What is obtained by subtracting \(2a^2+5ab-b^2\) from \(5a^2-2ab+3b^2\)?
Explanation opens after your attempt
A. \(3a^2-7ab+4b^2\)
Concept
Subtraction gives \(5a^2-2ab+3b^2-2a^2-5ab+b^2\). The simplified form is \(3a^2-7ab+4b^2\).
Why this answer is correct
The correct answer is A. \(3a^2-7ab+4b^2\). Subtraction gives \(5a^2-2ab+3b^2-2a^2-5ab+b^2\). The simplified form is \(3a^2-7ab+4b^2\).
Exam Tip
घटाने पर \(5a^2-2ab+3b^2-2a^2-5ab+b^2\) मिलता है। सरल रूप \(3a^2-7ab+4b^2\) है।
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