Find the flux of the curl of field F through the shell S.F = -2x2yi + 2xy2j + ln zk ; S: r(r, ?) = r cos ?i + r sin ?j + 3rk, 0 ? r ? 3 and 0 ? ? ? 2?
A. - 81?
B. - 36
C. 36
D. 36?
Answer: A
Mathematics
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Find the length of the curve.The curve r = 7
, 0 ? ? ? 
A. 2?
B. 
?
C. 7(? + ln(? + 
))
D. 
(? + 2)
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Divide. Write with positive exponents.
A. 10x + 2
B. 5x + 2
C. 5x + 2 + 
D. 5x - 10x5 + 
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Find the sum.402.7 + 0.61 + 59.05 + 53 + 4.5
A. 520.86 B. 519.96 C. 519.87 D. 519.86
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