किस विकल्प में \(4x^2\) और \(-11x^2\) का योग सही है?
Which option gives the correct sum of \(4x^2\) and \(-11x^2\)?
Explanation opens after your attempt
C. \(-7x^2\)
Concept
The coefficients are (4+(-11)=-7), and the variable part \(x^2\) remains the same. So the sum is \(-7x^2\).
Why this answer is correct
The correct answer is C. \(-7x^2\). The coefficients are (4+(-11)=-7), and the variable part \(x^2\) remains the same. So the sum is \(-7x^2\).
Exam Tip
गुणांक (4+(-11)=-7) हैं और चर भाग \(x^2\) वही रहता है। इसलिए योग \(-7x^2\) है।
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