Find the determinant of 
by the method of expansion by cofactors using column 3.
?
A. -14
B. 24
C. -4
D. -24
E. -34
Answer: D
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = -4zi + 2xj + 10yk; C: r(t) = ti + tj + tk, 0 ? t ? 1
A. W = 
B. W = 4
C. W = 8
D. W = 16
Mathematics
Evaluate the surface integral of the function g over the surface S.G(x, y, z) = x + z; S is the surface of the wedge formed from the coordinate planes and the planes 
and y = 1
A. 
+ 25
B. 150 + 25
C. 
+ 25
D. 
+ 5
Mathematics
Solve the system of linear equations.- 
x - y = - 5x - 
y = - 
A. (4, 7) B. No solution C. (2, 4) D. (5, 2)
Mathematics
Solve the formula for the indicated variable.P - 
= 
+ 1
for P
A. P = 
B. P = 
C. P = 
D. P = 
Mathematics