यदि (p(x)=rx+5) और (p(2)=15), तो (p(-1)) का मान क्या है?
If (p(x)=rx+5) and (p(2)=15), what is the value of (p(-1))?
Explanation opens after your attempt
A. (0)
Concept
From (2r+5=15), we get (r=5). Therefore (p(-1)=5(-1)+5=0).
Why this answer is correct
The correct answer is A. (0). From (2r+5=15), we get (r=5). Therefore (p(-1)=5(-1)+5=0).
Exam Tip
(2r+5=15) से (r=5) मिलता है। इसलिए (p(-1)=5(-1)+5=0) है।
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