\(x^2+2x-3\) और \(2x^2-x+4\) का योग क्या होगा?
What is the sum of \(x^2+2x-3\) and \(2x^2-x+4\)?
Explanation opens after your attempt
A. \(3x^2+x+1\)
Concept
Adding like terms gives \(x^2+2x^2=3x^2\), (2x-x=x), and (-3+4=1).
Why this answer is correct
The correct answer is A. \(3x^2+x+1\). Adding like terms gives \(x^2+2x^2=3x^2\), (2x-x=x), and (-3+4=1).
Exam Tip
समान पद जोड़ने पर \(x^2+2x^2=3x^2\), (2x-x=x) और (-3+4=1)।
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