यदि (p(x)=x+a) और (p(p(1))=7), तो (a) का मान क्या है?
If (p(x)=x+a) and (p(p(1))=7), what is the value of (a)?
Explanation opens after your attempt
B. (3)
Concept
(p(1)=1+a) and (p(1+a)=1+2a). From (1+2a=7), we get (a=3).
Why this answer is correct
The correct answer is B. (3). (p(1)=1+a) and (p(1+a)=1+2a). From (1+2a=7), we get (a=3).
Exam Tip
(p(1)=1+a) और (p(1+a)=1+2a) है। (1+2a=7) से (a=3) मिलता है।
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