Verify the identity.
+ 
= 2 tan 2 x
What will be an ideal response?
+ 
= 
= 
= 2 tan2 x.
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Find all the second order partial derivatives of the given function.f(x, y) = cos xy2
A. fxx(x, y) = y2 sin xy2; fyy(x, y) = 2[2y2 cos (xy2) - sin (xy2)] ; fyx(x, y) = fxy(x, y) = 2y[y2 cos (xy2) - sin (xy2)]
B. fxx(x, y) = -y4 cos xy2; fyy(x, y) = - 2x[2xy2 cos (xy2) + sin (xy2)]; fyx(x, y) = fxy(x, y) = - 2y[xy2 cos (xy2) + sin (xy2)];
C. fxx(x, y) = - y2 sin xy2; fyy(x, y) = 2[ sin (xy2)- 2y2 cos (xy2)] ; fyx(x, y) = fxy(x, y) = 2y [sin (xy2)-y2 cos (xy2)]
D. fxx(x, y) = - y2 sin xy2; fyy(x, y) = 2y
; fyx(x, y) = fxy(x, y) = 2
Provide an appropriate response. log2 751 =
A. 2.3882 B. 4.7763 C. 9.5527 D. 1.1941
Use partial fractions to find the sum of the series.
A. 
B. 
C. 
D. 
Solve. Round to the nearest whole if necessary.An inspector found 30 defective cameras during an inspection. If this is 0.024% of the total number of cameras inspected, how many cameras were inspected?
A. 1250 cameras B. 3000 cameras C. 125,000 cameras D. 12,500 cameras