व्यंजक (2a-3[4a-2(a-5)]) का सही सरल रूप कौन सा है?

Which is the correct simplified form of (2a-3[4a-2(a-5)])?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (-4a-30)

Step 1

Concept

Inside (4a-2(a-5)=2a+10). Therefore (2a-3(2a+10)=-4a-30).

Step 2

Why this answer is correct

The correct answer is B. (-4a-30). Inside (4a-2(a-5)=2a+10). Therefore (2a-3(2a+10)=-4a-30).

Step 3

Exam Tip

अंदर (4a-2(a-5)=2a+10) है। इसलिए (2a-3(2a+10)=-4a-30)।

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Mathematics Answer, Explanation and Revision Hints

व्यंजक (2a-3[4a-2(a-5)]) का सही सरल रूप कौन सा है? / Which is the correct simplified form of (2a-3[4a-2(a-5)])?

Correct Answer: B. (-4a-30). Explanation: अंदर (4a-2(a-5)=2a+10) है। इसलिए (2a-3(2a+10)=-4a-30)। / Inside (4a-2(a-5)=2a+10). Therefore (2a-3(2a+10)=-4a-30).

Which concept should I revise for this Mathematics MCQ?

Inside (4a-2(a-5)=2a+10). Therefore (2a-3(2a+10)=-4a-30).

What exam hint can help solve this Mathematics question?

अंदर (4a-2(a-5)=2a+10) है। इसलिए (2a-3(2a+10)=-4a-30)।