यदि (f(x)=6x+2) और (f(a)=38), तो (a) का मान क्या होगा?
If (f(x)=6x+2) and (f(a)=38), what is the value of (a)?
Explanation opens after your attempt
A. (6)
Concept
(f(a)=6a+2).
Why this answer is correct
From (6a+2=38), we get (6a=36).
Exam Tip
Therefore (a=6). चरण 1: (f(a)=6a+2) होगा। चरण 2: (6a+2=38) से (6a=36)। चरण 3: इसलिए (a=6)।
Login to save your score, XP, coins and progress.
