यदि (u=-1) और (v=3), तो \(u^2v-uv^2+2u\) का मान क्या होगा?

If (u=-1) and (v=3), what is the value of \(u^2v-uv^2+2u\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (10)

Step 1

Concept

Substitution gives (1(3)-(-1)(9)+2(-1)=10). Find the sign of \(uv^2\) carefully.

Step 2

Why this answer is correct

The correct answer is B. (10). Substitution gives (1(3)-(-1)(9)+2(-1)=10). Find the sign of \(uv^2\) carefully.

Step 3

Exam Tip

मान रखने पर (1(3)-(-1)(9)+2(-1)=10) मिलता है। \(uv^2\) के चिह्न को सावधानी से निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि (u=-1) और (v=3), तो \(u^2v-uv^2+2u\) का मान क्या होगा? / If (u=-1) and (v=3), what is the value of \(u^2v-uv^2+2u\)?

Correct Answer: B. (10). Explanation: मान रखने पर (1(3)-(-1)(9)+2(-1)=10) मिलता है। \(uv^2\) के चिह्न को सावधानी से निकालें। / Substitution gives (1(3)-(-1)(9)+2(-1)=10). Find the sign of \(uv^2\) carefully.

Which concept should I revise for this Mathematics MCQ?

Substitution gives (1(3)-(-1)(9)+2(-1)=10). Find the sign of \(uv^2\) carefully.

What exam hint can help solve this Mathematics question?

मान रखने पर (1(3)-(-1)(9)+2(-1)=10) मिलता है। \(uv^2\) के चिह्न को सावधानी से निकालें।