Question

t3 Use the Method of Substitution to evaluate the inte 5t4+39

Answer 1

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let st" + 3 = x - - (5 (443) to )dt = de because that com a menn] - 20 t3 dt = da - t3 dt = dx & Now when t=0 x= st"+3 - x = 5(0) +3 = 0+3

- x=3 when t=1 x=5(1)+3 - 5+3 - x=8 so S dt ) 0 544+3 x=3