(p(x)=4x-2-9x+2) और (q(x)=3x-2+x-7) का योग क्या है?
What is the sum of (p(x)=4x-2-9x+2) and (q(x)=3x-2+x-7)?
Explanation opens after your attempt
A. \(7x^2-8x-5\)
Concept
Adding like terms gives \(7x^2-8x-5\). Add only like terms.
Why this answer is correct
The correct answer is A. \(7x^2-8x-5\). Adding like terms gives \(7x^2-8x-5\). Add only like terms.
Exam Tip
समान घात वाले पद जोड़ने पर \(7x^2-8x-5\) मिलता है। केवल समान पदों को ही जोड़ें।
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