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Evaluate int(2)^(5) (x-[x])dx , where [....

Evaluate `int_(2)^(5) (x-[x])dx` , where [.] denotes the greatest integer function.

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The correct Answer is:
C
The coordinates of D using section formula are (-5, -23/2) and
`m_(PD) = -11//2.` The equation of PD is
11x+2y+78=0
or a+c = 89
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