यदि (3x-2=10), तो \(x^2+x\) का मान क्या होगा?

If (3x-2=10), what is the value of \(x^2+x\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (20)

Step 1

Concept

From (3x=12), (x=4). Therefore \(x^2+x=16+4=20\).

Step 2

Why this answer is correct

The correct answer is B. (20). From (3x=12), (x=4). Therefore \(x^2+x=16+4=20\).

Step 3

Exam Tip

(3x=12) से (x=4) है। इसलिए \(x^2+x=16+4=20\)।

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Mathematics Answer, Explanation and Revision Hints

यदि (3x-2=10), तो \(x^2+x\) का मान क्या होगा? / If (3x-2=10), what is the value of \(x^2+x\)?

Correct Answer: B. (20). Explanation: (3x=12) से (x=4) है। इसलिए \(x^2+x=16+4=20\)। / From (3x=12), (x=4). Therefore \(x^2+x=16+4=20\).

Which concept should I revise for this Mathematics MCQ?

From (3x=12), (x=4). Therefore \(x^2+x=16+4=20\).

What exam hint can help solve this Mathematics question?

(3x=12) से (x=4) है। इसलिए \(x^2+x=16+4=20\)।