Question #180260

Find the area enclosed between the curve y = x2 + 2, X-axis, x = 3 and x = 4


1
Expert's answer
2021-04-25T17:43:03-0400

The area region enclosed by the curves y=x2+2y=x^2+2 , x-axis and x=4 is given by

area=34ydx=34(x2+2)dxarea= ∫_3^4ydx=∫_3^4(x^2+2)dx

=[x3/3+2x]34=[x^3/3+2x]_3^4

=[43/3+2(4)][33/3+2(4)]=[4^3/3+2(4)]-[3^3/3+2(4)]

=88/315=88/3-15


=14.333 square units of length 


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