यदि (x=-2) हो, तो \(3x^3-2x^2+5x-1\) का मान क्या होगा?

If (x=-2), what is the value of \(3x^3-2x^2+5x-1\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (-43)

Step 1

Concept

((-2)3) is negative and ((-2)2) is positive. The value is (3(-8)-2(4)+5(-2)-1=-43).

Step 2

Why this answer is correct

The correct answer is A. (-43). ((-2)3) is negative and ((-2)2) is positive. The value is (3(-8)-2(4)+5(-2)-1=-43).

Step 3

Exam Tip

((-2)3) ऋणात्मक और ((-2)2) धनात्मक होगा। मान (3(-8)-2(4)+5(-2)-1=-43) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (x=-2) हो, तो \(3x^3-2x^2+5x-1\) का मान क्या होगा? / If (x=-2), what is the value of \(3x^3-2x^2+5x-1\)?

Correct Answer: A. (-43). Explanation: ((-2)3) ऋणात्मक और ((-2)2) धनात्मक होगा। मान (3(-8)-2(4)+5(-2)-1=-43) है। / ((-2)3) is negative and ((-2)2) is positive. The value is (3(-8)-2(4)+5(-2)-1=-43).

Which concept should I revise for this Mathematics MCQ?

((-2)3) is negative and ((-2)2) is positive. The value is (3(-8)-2(4)+5(-2)-1=-43).

What exam hint can help solve this Mathematics question?

((-2)3) ऋणात्मक और ((-2)2) धनात्मक होगा। मान (3(-8)-2(4)+5(-2)-1=-43) है।