यदि (f(x)=a+13x) और (f(3)=82), तो (f(9)) क्या होगा?
If (f(x)=a+13x) and (f(3)=82), what will (f(9)) be?
Explanation opens after your attempt
D. (160)
Concept
From (a+39=82), (a=43). Then (f(9)=43+117=160).
Why this answer is correct
The correct answer is D. (160). From (a+39=82), (a=43). Then (f(9)=43+117=160).
Exam Tip
(a+39=82) से (a=43) मिलता है। फिर (f(9)=43+117=160) है।
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