यदि (p(x)=2x-7), तो (p(a)=a) होने पर (a) क्या है?
If (p(x)=2x-7), what is (a) when (p(a)=a)?
Explanation opens after your attempt
B. (7)
Concept
(p(a)=2a-7). From (2a-7=a), we get (a=7).
Why this answer is correct
The correct answer is B. (7). (p(a)=2a-7). From (2a-7=a), we get (a=7).
Exam Tip
(p(a)=2a-7) है। (2a-7=a) से (a=7) मिलता है।
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