\(6x^2-3x+2\) और \(-2x^2+7x-9\) का योग क्या होगा?

What is the sum of \(6x^2-3x+2\) and \(-2x^2+7x-9\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. \(4x^2+4x-7\)

Step 1

Concept

Adding like terms gives \(6x^2-2x^2=4x^2\), (-3x+7x=4x), and (2-9=-7).

Step 2

Why this answer is correct

The correct answer is A. \(4x^2+4x-7\). Adding like terms gives \(6x^2-2x^2=4x^2\), (-3x+7x=4x), and (2-9=-7).

Step 3

Exam Tip

समान पद जोड़ने पर \(6x^2-2x^2=4x^2\), (-3x+7x=4x), और (2-9=-7)।

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Mathematics Answer, Explanation and Revision Hints

\(6x^2-3x+2\) और \(-2x^2+7x-9\) का योग क्या होगा? / What is the sum of \(6x^2-3x+2\) and \(-2x^2+7x-9\)?

Correct Answer: A. \(4x^2+4x-7\). Explanation: समान पद जोड़ने पर \(6x^2-2x^2=4x^2\), (-3x+7x=4x), और (2-9=-7)। / Adding like terms gives \(6x^2-2x^2=4x^2\), (-3x+7x=4x), and (2-9=-7).

Which concept should I revise for this Mathematics MCQ?

Adding like terms gives \(6x^2-2x^2=4x^2\), (-3x+7x=4x), and (2-9=-7).

What exam hint can help solve this Mathematics question?

समान पद जोड़ने पर \(6x^2-2x^2=4x^2\), (-3x+7x=4x), और (2-9=-7)।