यदि (f(x)=x+3) और (g(x)=2x-6) हों, तो ((fg)(0)) क्या है?
If (f(x)=x+3) and (g(x)=2x-6), what is ((fg)(0))?
Explanation opens after your attempt
A. (-18)
Concept
(f(0)=3) and (g(0)=-6), so ((fg)(0)=3\cdot(-6)=-18). Do not make a sign error in multiplication.
Why this answer is correct
The correct answer is A. (-18). (f(0)=3) and (g(0)=-6), so ((fg)(0)=3\cdot(-6)=-18). Do not make a sign error in multiplication.
Exam Tip
(f(0)=3) और (g(0)=-6), इसलिए ((fg)(0)=3\cdot(-6)=-18)। sign multiplication में गलती न करें।
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