The value of \(\int_1^2\)1y^5 dy is_____

Category: QuestionsThe value of \(\int_1^2\)1y^5 dy is_____
Editor">Editor Staff asked 11 months ago

The value of \(\int_1^2\)1y^5 dy is_____
(a) 10.5
(b) 56
(c) 9
(d) 23
This question was addressed to me by my college director while I was bunking the class.
The origin of the question is Definite Integral topic in section Integrals of Mathematics – Class 12
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1 Answers
Editor">Editor Staff answered 11 months ago

Right answer is (a) 10.5
The explanation is: \(\int_1^2\)1y^5 dy = (y^6/6)^21
= \(\frac {64}{6} – \frac{1}{6}\)
= 10.5