व्यंजक (2a-[3b-{a-2b}]) का सरल रूप क्या है?

What is the simplified form of (2a-[3b-{a-2b}])?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (3a-b)

Step 1

Concept

Inside, (3b-(a-2b)=5b-a), then (2a-(5b-a)=3a-5b). The correct result is (3a-5b).

Step 2

Why this answer is correct

The correct answer is B. (3a-b). Inside, (3b-(a-2b)=5b-a), then (2a-(5b-a)=3a-5b). The correct result is (3a-5b).

Step 3

Exam Tip

अंदर (3b-(a-2b)=5b-a), फिर (2a-(5b-a)=3a-5b) नहीं बल्कि (3a-5b) है। सही उत्तर (3a-5b) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

व्यंजक (2a-[3b-{a-2b}]) का सरल रूप क्या है? / What is the simplified form of (2a-[3b-{a-2b}])?

Correct Answer: B. (3a-b). Explanation: अंदर (3b-(a-2b)=5b-a), फिर (2a-(5b-a)=3a-5b) नहीं बल्कि (3a-5b) है। सही उत्तर (3a-5b) होना चाहिए। / Inside, (3b-(a-2b)=5b-a), then (2a-(5b-a)=3a-5b). The correct result is (3a-5b).

Which concept should I revise for this Mathematics MCQ?

Inside, (3b-(a-2b)=5b-a), then (2a-(5b-a)=3a-5b). The correct result is (3a-5b).

What exam hint can help solve this Mathematics question?

अंदर (3b-(a-2b)=5b-a), फिर (2a-(5b-a)=3a-5b) नहीं बल्कि (3a-5b) है। सही उत्तर (3a-5b) होना चाहिए।