यदि (f(x)=x-2) और (g(x)=2x+1) हैं तो ((f+g)(1)+(fg)(1)) का मान क्या है?
If (f(x)=x-2) and (g(x)=2x+1) then what is the value of ((f+g)(1)+(fg)(1))?
Explanation opens after your attempt
A. (7)
Concept
(f(1)=1) and (g(1)=3), so ((f+g)(1)=4) and ((fg)(1)=3). The total is (7).
Why this answer is correct
The correct answer is A. (7). (f(1)=1) and (g(1)=3), so ((f+g)(1)=4) and ((fg)(1)=3). The total is (7).
Exam Tip
(f(1)=1) और (g(1)=3), इसलिए ((f+g)(1)=4) और ((fg)(1)=3)। कुल (7) है।
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