Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
- 
)2
A. xy + x
B. xy - x
C. 2
- 2
D. xy - 2x
+ x
Answer: D
Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = x4y4; x = t3, y = t2
A. 19t18 B. 21t20 C. 20t19 D. 12t11 + 8t7
Mathematics
Decompose into partial fractions.
A. 
+ 
- 
+ 
+ 
B. 
+ 
+ 
+ 
+ 
C. 
+ 
+ 
+ 
+ 
D. 
+ 
+ 
+ 
+ 
Mathematics
Parametrize the surface S.S is the portion of the sphere x2 + y2 + z2 = 64 between z = - 4
and z = 4
.
What will be an ideal response?
Mathematics
Solve the problem.
Find the exact value of cos 2?.
A. - 
B. 
C. 
D. 
Mathematics