यदि (f(x)=x-2-2x+5) है, तो (f(3)) क्या है?
If (f(x)=x-2-2x+5), what is (f(3))?
Explanation opens after your attempt
A. (8)
Concept
(f(3)=32-2(3)+5=8). In exams be careful with signs while substituting.
Why this answer is correct
The correct answer is A. (8). (f(3)=32-2(3)+5=8). In exams be careful with signs while substituting.
Exam Tip
(f(3)=32-2(3)+5=8) है। परीक्षा में substitution करते समय चिन्हों का ध्यान रखें।
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