यदि (p(x)=x+a) और (p(p(5))=19), तो (a) का मान क्या है?
If (p(x)=x+a) and (p(p(5))=19), what is the value of (a)?
Explanation opens after your attempt
C. (7)
Concept
(p(5)=5+a) and (p(5+a)=5+2a). From (5+2a=19), we get (a=7).
Why this answer is correct
The correct answer is C. (7). (p(5)=5+a) and (p(5+a)=5+2a). From (5+2a=19), we get (a=7).
Exam Tip
(p(5)=5+a) और (p(5+a)=5+2a) है। (5+2a=19) से (a=7) मिलता है।
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