Solve the equation by using the quadratic formula.x2 + 6x - 72 = 0
A. {12, 6}
B. {-12, 1}
C. {12, -6}
D. {-12, 6}
Answer: D
Mathematics
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Find ?f.f(x, y, z) = ex3 + y3 + z5
A. F = 3x2ex3 + y3 + z5i + 3y2ex3 + y3 + z5j + 5z4ex3 + y3 + z5k B. F = 3x2ex3i + 3y2ey3j + 5z4e z5k C. F = x2ex3 + y3 + z5i + y2ex3 + y3 + z5j + z4ex3 + y3 + z5k D. F = x3ex3 + y3 + z5i + y3ex3 + y3 + z5j + z5ex3 + y3 + z5k
Mathematics
Evaluate the expression.
A. 6 B. 36 C. 5 D. 7
Mathematics
Evaluate the following improper integral whenever it is convergent.
?
?
A. 8 B. 0 C. -6 D. -10 E. the integral is divergent
Mathematics
Solve the following system by any appropriate method. If there is no real number solution, so state.xy = 12012y - 12x = 24
A. (12, 10), (-10, -12) B. (-12, -10), (10, 12) C. (-12, 10), (10, -12) D. no real solution
Mathematics