\(3x^2-2x-8\) में (x=-1) रखने पर मान क्या होगा?

What is the value of \(3x^2-2x-8\) when (x=-1)?

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

A. (-3)

Step 1

Concept

(3(-1)2-2(-1)-8=3+2-8=-3). In exams, the square of a negative number is positive.

Step 2

Why this answer is correct

The correct answer is A. (-3). (3(-1)2-2(-1)-8=3+2-8=-3). In exams, the square of a negative number is positive.

Step 3

Exam Tip

(3(-1)2-2(-1)-8=3+2-8=-3) है। परीक्षा में ऋण संख्या का वर्ग धनात्मक होता है।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

\(3x^2-2x-8\) में (x=-1) रखने पर मान क्या होगा? / What is the value of \(3x^2-2x-8\) when (x=-1)?

Correct Answer: A. (-3). Explanation: (3(-1)2-2(-1)-8=3+2-8=-3) है। परीक्षा में ऋण संख्या का वर्ग धनात्मक होता है। / (3(-1)2-2(-1)-8=3+2-8=-3). In exams, the square of a negative number is positive.

Which concept should I revise for this Mathematics MCQ?

(3(-1)2-2(-1)-8=3+2-8=-3). In exams, the square of a negative number is positive.

What exam hint can help solve this Mathematics question?

(3(-1)2-2(-1)-8=3+2-8=-3) है। परीक्षा में ऋण संख्या का वर्ग धनात्मक होता है।