यदि (3x+2=17), तो \(x^2-1\) का मान क्या होगा?
If (3x+2=17), what is the value of \(x^2-1\)?
Explanation opens after your attempt
B. (24)
Concept
From (3x=15), (x=5). Therefore, \(x^2-1=25-1=24\).
Why this answer is correct
The correct answer is B. (24). From (3x=15), (x=5). Therefore, \(x^2-1=25-1=24\).
Exam Tip
(3x=15) से (x=5) है। इसलिए \(x^2-1=25-1=24\)।
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