Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 1
D. 
Answer: D
You might also like to view...
Solve the problem.An average newspaper contains at least 16 pages and at most 87 pages. How many newspapers must be collected to be certain that at least two newspapers have the same number of pages?
A. 72 newspapers B. 70 newspapers C. 73 newspapers D. 71 newspapers
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -3, v '(2) = -4.
at x = 2
A. - 
B. - 10
C. 
D. 
Multiply.(8.5)(362)
A. 3077.1 B. 3078.1 C. 3077.11 D. 3077
Find the exact value of the trigonometric expression without the use of a calculator.If tan ? = 
, ? < ? < 
and cos ? = - 
, 
< ? < ?, find the exact value of tan (? + ?).
A. - 
B. 
C. 
D. 