यदि (x=-4), तो \(3x^2+2x-7\) का मान क्या होगा?
If (x=-4), what is the value of \(3x^2+2x-7\)?
Explanation opens after your attempt
B. (33)
Concept
Substitution gives (3(16)-8-7=33). The square of a negative number is positive.
Why this answer is correct
The correct answer is B. (33). Substitution gives (3(16)-8-7=33). The square of a negative number is positive.
Exam Tip
मान रखने पर (3(16)-8-7=33) मिलता है। ऋणात्मक संख्या का वर्ग धनात्मक होता है।
Login to save your score, XP, coins and progress.
