यदि (f(x)=a+9x) और (f(3)=64), तो (f(8)) क्या होगा?
If (f(x)=a+9x) and (f(3)=64), what will (f(8)) be?
Explanation opens after your attempt
C. (109)
Concept
From (a+27=64), (a=37). Then (f(8)=37+72=109).
Why this answer is correct
The correct answer is C. (109). From (a+27=64), (a=37). Then (f(8)=37+72=109).
Exam Tip
(a+27=64) से (a=37) मिलता है। फिर (f(8)=37+72=109) है।
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