(x=-2) पर \(x^2+2x-3\) का मान क्या है?

What is the value of \(x^2+2x-3\) at (x=-2)?

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

A. (-3)

Step 1

Concept

((-2)2+2(-2)-3=4-4-3=-3). Exam tip: keep the square of a negative number positive.

Step 2

Why this answer is correct

The correct answer is A. (-3). ((-2)2+2(-2)-3=4-4-3=-3). Exam tip: keep the square of a negative number positive.

Step 3

Exam Tip

((-2)2+2(-2)-3=4-4-3=-3) है। परीक्षा में ऋणात्मक संख्या का वर्ग धनात्मक रखें।

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Mathematics Answer, Explanation and Revision Hints

(x=-2) पर \(x^2+2x-3\) का मान क्या है? / What is the value of \(x^2+2x-3\) at (x=-2)?

Correct Answer: A. (-3). Explanation: ((-2)2+2(-2)-3=4-4-3=-3) है। परीक्षा में ऋणात्मक संख्या का वर्ग धनात्मक रखें। / ((-2)2+2(-2)-3=4-4-3=-3). Exam tip: keep the square of a negative number positive.

Which concept should I revise for this Mathematics MCQ?

((-2)2+2(-2)-3=4-4-3=-3). Exam tip: keep the square of a negative number positive.

What exam hint can help solve this Mathematics question?

((-2)2+2(-2)-3=4-4-3=-3) है। परीक्षा में ऋणात्मक संख्या का वर्ग धनात्मक रखें।