(x=-2) पर \(x^2+2x-3\) का मान क्या है?
What is the value of \(x^2+2x-3\) at (x=-2)?
Explanation opens after your attempt
A. (-3)
Concept
((-2)2+2(-2)-3=4-4-3=-3). Exam tip: keep the square of a negative number positive.
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.
Exam Tip
((-2)2+2(-2)-3=4-4-3=-3) है। परीक्षा में ऋणात्मक संख्या का वर्ग धनात्मक रखें।
Login to save your score, XP, coins and progress.
