यदि (f(x)=x-2) और (g(x)=x), तो ((fg)(2)) क्या होगा?

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

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

((fg)(x)=f(x)g(x)).

Step 2

Why this answer is correct

(f(2)=4) and (g(2)=2).

Step 3

Exam Tip

Therefore ((fg)(2)=4\cdot2=8). चरण 1: ((fg)(x)=f(x)g(x)) होता है। चरण 2: (f(2)=4) और (g(2)=2)। चरण 3: इसलिए ((fg)(2)=4\cdot2=8)।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: A. (8). Explanation: चरण 1: ((fg)(x)=f(x)g(x)) होता है। चरण 2: (f(2)=4) और (g(2)=2)। चरण 3: इसलिए ((fg)(2)=4\cdot2=8)। / Step 1: ((fg)(x)=f(x)g(x)). Step 2: (f(2)=4) and (g(2)=2). Step 3: Therefore ((fg)(2)=4\cdot2=8).

Which concept should I revise for this Mathematics MCQ?

((fg)(x)=f(x)g(x)).

What exam hint can help solve this Mathematics question?

Therefore ((fg)(2)=4\cdot2=8). चरण 1: ((fg)(x)=f(x)g(x)) होता है। चरण 2: (f(2)=4) और (g(2)=2)। चरण 3: इसलिए ((fg)(2)=4\cdot2=8)।