\(7a^2-4ab+6b^2\) में से \(3a^2-9ab+2b^2\) घटाने पर क्या मिलेगा?

What is obtained by subtracting \(3a^2-9ab+2b^2\) from \(7a^2-4ab+6b^2\)?

Explanation opens after your attempt
Correct Answer

A. \(4a^2+5ab+4b^2\)

Step 1

Concept

Subtraction gives \(7a^2-4ab+6b^2-3a^2+9ab-2b^2\). The simplified form is \(4a^2+5ab+4b^2\).

Step 2

Why this answer is correct

The correct answer is A. \(4a^2+5ab+4b^2\). Subtraction gives \(7a^2-4ab+6b^2-3a^2+9ab-2b^2\). The simplified form is \(4a^2+5ab+4b^2\).

Step 3

Exam Tip

घटाने पर \(7a^2-4ab+6b^2-3a^2+9ab-2b^2\) मिलता है। सरल रूप \(4a^2+5ab+4b^2\) है।

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Mathematics Answer, Explanation and Revision Hints

\(7a^2-4ab+6b^2\) में से \(3a^2-9ab+2b^2\) घटाने पर क्या मिलेगा? / What is obtained by subtracting \(3a^2-9ab+2b^2\) from \(7a^2-4ab+6b^2\)?

Correct Answer: A. \(4a^2+5ab+4b^2\). Explanation: घटाने पर \(7a^2-4ab+6b^2-3a^2+9ab-2b^2\) मिलता है। सरल रूप \(4a^2+5ab+4b^2\) है। / Subtraction gives \(7a^2-4ab+6b^2-3a^2+9ab-2b^2\). The simplified form is \(4a^2+5ab+4b^2\).

Which concept should I revise for this Mathematics MCQ?

Subtraction gives \(7a^2-4ab+6b^2-3a^2+9ab-2b^2\). The simplified form is \(4a^2+5ab+4b^2\).

What exam hint can help solve this Mathematics question?

घटाने पर \(7a^2-4ab+6b^2-3a^2+9ab-2b^2\) मिलता है। सरल रूप \(4a^2+5ab+4b^2\) है।