Find the mistake, then find the correct answer.Solve for x: (x - 2)2 = -10line 1 x - 2 = 
line 2 x = 2 ± 
What will be an ideal response?
A negative sign was dropped in front of 7 on the right-hand side in line 1. The correct answer is 
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= - 
; 
= 
= 
Mathematics
Evaluate the logarithm without the use of a calculator.log1/2 16
A. -4
B. 
C. 4
D. - 
Mathematics
Find the indicated matrix.(A + B)2, where A = 
, B = 
A. 
B. 
C.
D. 
Mathematics
Perform the indicated operation and, if possible, simplify.
- 
A. 2
B. 
C. 
D. 
Mathematics