Answer
$\frac{3}{2}(b^2 - a^2)$
Work Step by Step
$\int_a^b 3tdt$
=$\frac{1}{2}b(3b)-\frac{1}{2}a(3a)$
=$\frac{3}{2}(b^2 - a^2)$
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 5: Integrals - Section 5.3 - The Definite Integral - Exercises 5.3 - Page 275: 26
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