Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Determine whether the statement is true or false.The greatest common factor of two relatively prime numbers is always 1.
A. True B. False
Mathematics
Suppose that over a certain region of space the electrical potential V is given by V(x, y, z) = 8x² - 7xy + 7xyz.
Find the rate of change of the potential at in the direction of the vector v = 7i + 10j - 8k. a. -15.099 b. 14.569856 c. 44 d. 20 e. -0.96
Mathematics
Simplify the following:
ÄÄÄÄÄ Ä A + B
Mathematics
Determine if the given function y = f(x) is a solution of the accompanying differential equation.y' + y = e2xy = 5e- x + 
e2x
A. Yes B. No
Mathematics