यदि (f(x)=x-2) और (g(x)=2x+1) हों, तो ((f+g)(-1)) का मान क्या है?
If (f(x)=x-2) and (g(x)=2x+1), what is the value of ((f+g)(-1))?
Explanation opens after your attempt
A. (0)
Concept
((f+g)(-1)=f(-1)+g(-1)=1+(-1)=0). First substitute the value in each function, then add.
Why this answer is correct
The correct answer is A. (0). ((f+g)(-1)=f(-1)+g(-1)=1+(-1)=0). First substitute the value in each function, then add.
Exam Tip
((f+g)(-1)=f(-1)+g(-1)=1+(-1)=0)। पहले functions में value रखें, फिर जोड़ें।
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