यदि (f(x)=x-2+px+q) और (g(x)=x-2-px+q) हैं, तथा \(f+g=2x^2+10\), तो (q) क्या है?

If (f(x)=x-2+px+q) and (g(x)=x-2-px+q), and \(f+g=2x^2+10\), what is (q)?

Explanation opens after your attempt
Correct Answer

A. (5)

Step 1

Concept

\(f+g=2x^2+2q\), so (2q=10) and (q=5). Comparing coefficients of like terms is the cleanest method.

Step 2

Why this answer is correct

The correct answer is A. (5). \(f+g=2x^2+2q\), so (2q=10) and (q=5). Comparing coefficients of like terms is the cleanest method.

Step 3

Exam Tip

\(f+g=2x^2+2q\), इसलिए (2q=10) और (q=5)। समान पदों के गुणांक मिलाना सबसे साफ तरीका है।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2+px+q) और (g(x)=x-2-px+q) हैं, तथा \(f+g=2x^2+10\), तो (q) क्या है? / If (f(x)=x-2+px+q) and (g(x)=x-2-px+q), and \(f+g=2x^2+10\), what is (q)?

Correct Answer: A. (5). Explanation: \(f+g=2x^2+2q\), इसलिए (2q=10) और (q=5)। समान पदों के गुणांक मिलाना सबसे साफ तरीका है। / \(f+g=2x^2+2q\), so (2q=10) and (q=5). Comparing coefficients of like terms is the cleanest method.

Which concept should I revise for this Mathematics MCQ?

\(f+g=2x^2+2q\), so (2q=10) and (q=5). Comparing coefficients of like terms is the cleanest method.

What exam hint can help solve this Mathematics question?

\(f+g=2x^2+2q\), इसलिए (2q=10) और (q=5)। समान पदों के गुणांक मिलाना सबसे साफ तरीका है।