Solve the problem.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, and replacing x by 
.
A. 
B. 
C. 
D. 
Answer: C
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Find the equation for the plane tangent to the parametrized surface S at the point P.S is the parabolic cylinder r(x, z) = xi + 2x2j + zk; P is the point corresponding to 
.
What will be an ideal response?
Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(4 - 4i)(4 - 9i)
A. -20 + 52i B. -20 - 52i C. 52 + 20i D. 36i2 - 52i + 16
Perform the indicated operations in the proper order.
A. 
B. - 
C. - 
D. 
Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators. B. Use the reciprocal of the second fraction (divisor) and multiply. C. Add the numerators and multiply the denominators. D. Add the numerators and factor the denominators.