Perform the operation.
?

?

A. 10
B. -12
C. -10
D. 3
E. -8


Answer: C

Mathematics

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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = x2i + xyj + yk; C: the counter-clockwise path around the perimeter of the rectangle in the x-y plane formed from the x-axis, y-axis , x = 3 and y = 9

A. 243
B.
C. -243
D. - 

Mathematics

Find dy.y = 5 - 

A.  dx
B.  dx
C.  dx
D.  dx

Mathematics

Evaluate the integral using the given substitution. dy , u = y6 + 3y3 + 2

A. (y6 + 3y3 + 2)4 + C
B. (y6 + 3y3 + 2)4(10y4 + 6y) + C
C. (y6 + 3y3 + 2)4 + C
D. 21(y6 + 3y3 + 2)2 + C

Mathematics

Provide an appropriate response.Simplify: 

A. 3 B. 1 C. -3 D. 0

Mathematics