व्यंजक (3x-[4x-{2x-5}]) का सही सरल रूप कौन सा है?
Which is the correct simplified form of (3x-[4x-{2x-5}])?
Explanation opens after your attempt
B. (x-5)
Concept
Inside (4x-{2x-5}=2x+5). Therefore (3x-(2x+5)=x-5).
Why this answer is correct
The correct answer is B. (x-5). Inside (4x-{2x-5}=2x+5). Therefore (3x-(2x+5)=x-5).
Exam Tip
अंदर (4x-{2x-5}=2x+5) है। इसलिए (3x-(2x+5)=x-5)।
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