यदि (r=4), तो \(\frac{3r^2-2r}{2}\) का मान क्या होगा?
If (r=4), what is the value of \(\frac{3r^2-2r}{2}\)?
Explanation opens after your attempt
C. (20)
Concept
Putting (r=4) gives (\frac{3(16)-8}{2}=\frac{40}{2}=20). Simplify the whole numerator first in a fraction.
Why this answer is correct
The correct answer is C. (20). Putting (r=4) gives (\frac{3(16)-8}{2}=\frac{40}{2}=20). Simplify the whole numerator first in a fraction.
Exam Tip
(r=4) रखने पर (\frac{3(16)-8}{2}=\frac{40}{2}=20) मिलता है। भिन्न में पूरा अंश पहले सरल करें।
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