Find the integral. dx

A. -4(cot-1 x)5 + C
B.  + C
C. 4(cot-1 x)3 + C
D.  + C


Answer: B

Mathematics

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Make the indicated conversion with American units of capacity.62 quarts to gallons

A. 31 gal
B. 15 gal
C. 124 gal
D. 60 gal

Mathematics

Factor completely. If the polynomial cannot be factored, say it is prime.x3 + 12x2 + 36x

A. x(x - 6)2 B. x(x + 6)2 C. x(x + 6)(x - 6) D. prime

Mathematics

Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions.x - 5 = yy + 3 = x

A. One B. Infinitely many C. No solutions

Mathematics

Prove the identity.cos 4u = cos2 2u - sin2 2u

What will be an ideal response?

Mathematics