व्यंजक (5(a-2)-2(a+1)) का सरल रूप क्या है?

What is the simplified form of (5(a-2)-2(a+1))?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (3a-12)

Step 1

Concept

On expanding, (5a-10-2a-2=3a-12). Apply the negative sign to the whole bracket.

Step 2

Why this answer is correct

The correct answer is A. (3a-12). On expanding, (5a-10-2a-2=3a-12). Apply the negative sign to the whole bracket.

Step 3

Exam Tip

खोलने पर (5a-10-2a-2=3a-12) मिलता है। ऋण चिह्न को पूरे कोष्ठक पर लागू करें।

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व्यंजक (5(a-2)-2(a+1)) का सरल रूप क्या है? / What is the simplified form of (5(a-2)-2(a+1))?

Correct Answer: A. (3a-12). Explanation: खोलने पर (5a-10-2a-2=3a-12) मिलता है। ऋण चिह्न को पूरे कोष्ठक पर लागू करें। / On expanding, (5a-10-2a-2=3a-12). Apply the negative sign to the whole bracket.

Which concept should I revise for this Mathematics MCQ?

On expanding, (5a-10-2a-2=3a-12). Apply the negative sign to the whole bracket.

What exam hint can help solve this Mathematics question?

खोलने पर (5a-10-2a-2=3a-12) मिलता है। ऋण चिह्न को पूरे कोष्ठक पर लागू करें।