यदि (f(x)=x-2+2x) और (g(x)=x-2-2x) हैं, तो ((f+g)(3)) क्या है?

If (f(x)=x-2+2x) and (g(x)=x-2-2x), what is ((f+g)(3))?

Explanation opens after your attempt
Correct Answer

A. (18)

Step 1

Concept

((f+g)(x)=2x-2), hence ((f+g)(3)=2\cdot 32=18). Opposite terms may cancel, so simplify first.

Step 2

Why this answer is correct

The correct answer is A. (18). ((f+g)(x)=2x-2), hence ((f+g)(3)=2\cdot 32=18). Opposite terms may cancel, so simplify first.

Step 3

Exam Tip

((f+g)(x)=2x-2), अतः ((f+g)(3)=2\cdot 32=18)। विरोधी पद कट सकते हैं, इसलिए सरल रूप देखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2+2x) और (g(x)=x-2-2x) हैं, तो ((f+g)(3)) क्या है? / If (f(x)=x-2+2x) and (g(x)=x-2-2x), what is ((f+g)(3))?

Correct Answer: A. (18). Explanation: ((f+g)(x)=2x-2), अतः ((f+g)(3)=2\cdot 32=18)। विरोधी पद कट सकते हैं, इसलिए सरल रूप देखें। / ((f+g)(x)=2x-2), hence ((f+g)(3)=2\cdot 32=18). Opposite terms may cancel, so simplify first.

Which concept should I revise for this Mathematics MCQ?

((f+g)(x)=2x-2), hence ((f+g)(3)=2\cdot 32=18). Opposite terms may cancel, so simplify first.

What exam hint can help solve this Mathematics question?

((f+g)(x)=2x-2), अतः ((f+g)(3)=2\cdot 32=18)। विरोधी पद कट सकते हैं, इसलिए सरल रूप देखें।