Find the second-order partial derivative.Find 
when z = ex ln ?y?.
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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For what values of x does the series converge conditionally?
A. x = -1 B. x = 1 C. x = ±1 D. None
Mathematics
Solve using Cramer's rule.
A. (-1, -2) B. (0, -2) C. (0, -3) D. No solution
Mathematics
Use the slopes of UQ, UR, US, and UT to estimate the rate of change of y at the specified value of x.x = 5
A. 0
B. 
C. 
D. 
Mathematics
Find the indicated product.(a + 7b)(x + y)
A. ax + 9bx + ay + 8by B. ax + 7bx + ay + by C. ax + 7bx + ay + 7by D. ax + 8bx + ay + 7by E. ax + bx + ay + 8by
Mathematics