9
8
7
6
Correct answer is A
∫30(px2+16) = 129
px2+10+1+16x|30=129
px33+16x|30=129
(p(3)33+16(3)) - 0 = 129
9p + 48 = 129
9p = 129 - 48
9p9=819
p = 9
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