Compute \int_3^69 e^x dx.

Category: QuestionsCompute \int_3^69 e^x dx.
Editor">Editor Staff asked 11 months ago

Compute \int_3^6
9 e^x dx.
(a) 30.82
(b) 9(e^6 – e^3)
(c) 11.23
(d) 81(e^6 – e^3)
The question was asked in class test.
This key question is from Definite Integral in section Integrals of Mathematics – Class 12
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1 Answers
Editor">Editor Staff answered 11 months ago

The correct answer is (b) 9(e^6 – e^3)
The best explanation:

9 e^x dx = 9(e^x)^63 dx
= 9(e^6 – e^3)