व्यंजक (x-2\(x^2-3\)-x-4+2x) को सरल करने पर क्या मिलेगा?
What is obtained by simplifying (x-2\(x^2-3\)-x-4+2x)?
Explanation opens after your attempt
B. \(-3x^2+2x\)
Concept
(x-2\(x^2-3\)=x-4-3x-2), then \(-x^4\) cancels \(x^4\). The simplified form is \(-3x^2+2x\).
Why this answer is correct
The correct answer is B. \(-3x^2+2x\). (x-2\(x^2-3\)=x-4-3x-2), then \(-x^4\) cancels \(x^4\). The simplified form is \(-3x^2+2x\).
Exam Tip
(x-2\(x^2-3\)=x-4-3x-2), फिर \(-x^4\) से \(x^4\) कटता है। सरल रूप \(-3x^2+2x\) है।
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