कौन-सा व्यंजक \(2x^2-3x+1\) में \(x^2+x-4\) जोड़ने पर मिलता है?

Which expression is obtained by adding \(x^2+x-4\) to \(2x^2-3x+1\)?

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

A. \(3x^2-2x-3\)

Step 1

Concept

Add like terms: \(2x^2+x^2=3x^2\), (-3x+x=-2x), and (1-4=-3).

Step 2

Why this answer is correct

The correct answer is A. \(3x^2-2x-3\). Add like terms: \(2x^2+x^2=3x^2\), (-3x+x=-2x), and (1-4=-3).

Step 3

Exam Tip

समान पद जोड़ें: \(2x^2+x^2=3x^2\), (-3x+x=-2x), (1-4=-3)।

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Mathematics Answer, Explanation and Revision Hints

कौन-सा व्यंजक \(2x^2-3x+1\) में \(x^2+x-4\) जोड़ने पर मिलता है? / Which expression is obtained by adding \(x^2+x-4\) to \(2x^2-3x+1\)?

Correct Answer: A. \(3x^2-2x-3\). Explanation: समान पद जोड़ें: \(2x^2+x^2=3x^2\), (-3x+x=-2x), (1-4=-3)। / Add like terms: \(2x^2+x^2=3x^2\), (-3x+x=-2x), and (1-4=-3).

Which concept should I revise for this Mathematics MCQ?

Add like terms: \(2x^2+x^2=3x^2\), (-3x+x=-2x), and (1-4=-3).

What exam hint can help solve this Mathematics question?

समान पद जोड़ें: \(2x^2+x^2=3x^2\), (-3x+x=-2x), (1-4=-3)।