यदि (m=3) और (n=-2), तो \(m^2n-2mn^2\) का मान क्या होगा?

If (m=3) and (n=-2), what is the value of \(m^2n-2mn^2\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (-42)

Step 1

Concept

(m-2n=9(-2)=-18) and (2mn-2=2(3)(4)=24). So the total value is (-18-24=-42).

Step 2

Why this answer is correct

The correct answer is A. (-42). (m-2n=9(-2)=-18) and (2mn-2=2(3)(4)=24). So the total value is (-18-24=-42).

Step 3

Exam Tip

(m-2n=9(-2)=-18) और (2mn-2=2(3)(4)=24)। इसलिए कुल मान (-18-24=-42) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (m=3) और (n=-2), तो \(m^2n-2mn^2\) का मान क्या होगा? / If (m=3) and (n=-2), what is the value of \(m^2n-2mn^2\)?

Correct Answer: A. (-42). Explanation: (m-2n=9(-2)=-18) और (2mn-2=2(3)(4)=24)। इसलिए कुल मान (-18-24=-42) है। / (m-2n=9(-2)=-18) and (2mn-2=2(3)(4)=24). So the total value is (-18-24=-42).

Which concept should I revise for this Mathematics MCQ?

(m-2n=9(-2)=-18) and (2mn-2=2(3)(4)=24). So the total value is (-18-24=-42).

What exam hint can help solve this Mathematics question?

(m-2n=9(-2)=-18) और (2mn-2=2(3)(4)=24)। इसलिए कुल मान (-18-24=-42) है।