कौन-सा व्यंजक \(2x^2-3x+1\) में \(x^2+x-4\) जोड़ने पर मिलता है?
Which expression is obtained by adding \(x^2+x-4\) to \(2x^2-3x+1\)?
Explanation opens after your attempt
A. \(3x^2-2x-3\)
Concept
Add like terms: \(2x^2+x^2=3x^2\), (-3x+x=-2x), and (1-4=-3).
Why this answer is correct
The correct answer is A. \(3x^2-2x-3\). Add like terms: \(2x^2+x^2=3x^2\), (-3x+x=-2x), and (1-4=-3).
Exam Tip
समान पद जोड़ें: \(2x^2+x^2=3x^2\), (-3x+x=-2x), (1-4=-3)।
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