यदि (f(x)=x-2+2x), तो (f(1)+f(2)) क्या होगा?
If (f(x)=x-2+2x), what is (f(1)+f(2))?
Explanation opens after your attempt
A. (11)
Concept
(f(1)=12+2\cdot1=3).
Why this answer is correct
(f(2)=22+2\cdot2=8).
Exam Tip
The sum is (3+8=11). चरण 1: (f(1)=12+2\cdot1=3)। चरण 2: (f(2)=22+2\cdot2=8)। चरण 3: योग (3+8=11) है।
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