यदि (p(x)=ax-9) और (p(2)=p(6)-20), तो (a) क्या है?
If (p(x)=ax-9) and (p(2)=p(6)-20), what is (a)?
Explanation opens after your attempt
C. (5)
Concept
From (2a-9=(6a-9)-20), we get (2a=6a-20). Therefore (a=5).
Why this answer is correct
The correct answer is C. (5). From (2a-9=(6a-9)-20), we get (2a=6a-20). Therefore (a=5).
Exam Tip
(2a-9=(6a-9)-20) से (2a=6a-20) मिलता है। इसलिए (a=5) है।
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