Find all solutions in the interval [0, 2?).sec2x - 2 = tan2x
A. x = 
B. x = 
C. No solution
D. x = 
Answer: C
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Find f so that F = ?f. If the fuction is not conservative state so.F(x, y, z) = (y - z)i + (x + 2y - z)j - (x + y)k
A. f(x, y, z) = xy + y2 - x - y + C B. f(x, y, z) = xy + y2 - xz - yz + C C. f(x, y, z) = x(y + y2) - xz - yz + C D. f(x, y, z) = x + y2 - xz - yz + C
Find the product.(-2x2y4)(-3x2y2)
A. 6x6y4 B. 6x4y6 C. 6xy6 D. 6xy4
Evaluate the integral by making a substitution and then using a table of integrals.
A. - 3 ln 
+ C
B. ln 
+ x - 3 ln 
+ C
C. ln 
- 3 ln 
+ C
D. ln 
- 3 ln 
+ C
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -6yi - 4xj + 5z3k ; C: the portion of the plane 3x + 4y + 8z = 8 in the first quadrant
A. 2
B. - 
C. 0
D. 