\(5x^2+2x-7\) में से \(2x^2-3x+4\) घटाने पर क्या मिलेगा?

What is obtained by subtracting \(2x^2-3x+4\) from \(5x^2+2x-7\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. \(3x^2+5x-11\)

Step 1

Concept

On subtracting, (5x-2+2x-7-\(2x^2-3x+4\)=3x-2+5x-11). Exam tip: change signs when removing brackets.

Step 2

Why this answer is correct

The correct answer is C. \(3x^2+5x-11\). On subtracting, (5x-2+2x-7-\(2x^2-3x+4\)=3x-2+5x-11). Exam tip: change signs when removing brackets.

Step 3

Exam Tip

घटाने पर (5x-2+2x-7-\(2x^2-3x+4\)=3x-2+5x-11) है। परीक्षा में कोष्ठक खोलते समय चिह्न बदलें।

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Mathematics Answer, Explanation and Revision Hints

\(5x^2+2x-7\) में से \(2x^2-3x+4\) घटाने पर क्या मिलेगा? / What is obtained by subtracting \(2x^2-3x+4\) from \(5x^2+2x-7\)?

Correct Answer: C. \(3x^2+5x-11\). Explanation: घटाने पर (5x-2+2x-7-\(2x^2-3x+4\)=3x-2+5x-11) है। परीक्षा में कोष्ठक खोलते समय चिह्न बदलें। / On subtracting, (5x-2+2x-7-\(2x^2-3x+4\)=3x-2+5x-11). Exam tip: change signs when removing brackets.

Which concept should I revise for this Mathematics MCQ?

On subtracting, (5x-2+2x-7-\(2x^2-3x+4\)=3x-2+5x-11). Exam tip: change signs when removing brackets.

What exam hint can help solve this Mathematics question?

घटाने पर (5x-2+2x-7-\(2x^2-3x+4\)=3x-2+5x-11) है। परीक्षा में कोष्ठक खोलते समय चिह्न बदलें।