यदि (f(x)=x+2) और (g(x)=x-5) हैं, तो ((fg)(x)) क्या है?

If (f(x)=x+2) and (g(x)=x-5), what is ((fg)(x))?

Explanation opens after your attempt
Correct Answer

A. \(x^2-3x-10\)

Step 1

Concept

((fg)(x)=f(x)g(x)=(x+2)(x-5)=x-2-3x-10). After expanding, combine like terms.

Step 2

Why this answer is correct

The correct answer is A. \(x^2-3x-10\). ((fg)(x)=f(x)g(x)=(x+2)(x-5)=x-2-3x-10). After expanding, combine like terms.

Step 3

Exam Tip

((fg)(x)=f(x)g(x)=(x+2)(x-5)=x-2-3x-10)। गुणा में विस्तार के बाद समान पद मिलाएँ।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x+2) और (g(x)=x-5) हैं, तो ((fg)(x)) क्या है? / If (f(x)=x+2) and (g(x)=x-5), what is ((fg)(x))?

Correct Answer: A. \(x^2-3x-10\). Explanation: ((fg)(x)=f(x)g(x)=(x+2)(x-5)=x-2-3x-10)। गुणा में विस्तार के बाद समान पद मिलाएँ। / ((fg)(x)=f(x)g(x)=(x+2)(x-5)=x-2-3x-10). After expanding, combine like terms.

Which concept should I revise for this Mathematics MCQ?

((fg)(x)=f(x)g(x)=(x+2)(x-5)=x-2-3x-10). After expanding, combine like terms.

What exam hint can help solve this Mathematics question?

((fg)(x)=f(x)g(x)=(x+2)(x-5)=x-2-3x-10)। गुणा में विस्तार के बाद समान पद मिलाएँ।