Find the expression.u = 9i + j, w = i - 9j ; Find 8u - 6w.
A. 24i + 62j
B. 66i + 62j
C. 66i - 46j
D. 66i + 9j
Answer: B
Mathematics
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Find the slope of the polar curve at the indicated point.r = 2(1 + cos ?), ? =
A. -2
B.
C. 1
D. 2
Mathematics
Use Stokes's Theorem to calculate .F = -3x2yi + 3xy2j + z5k; S is the portion of the paraboloid 1 - x2 - y2 = z that lies above the x-y plane
A. 6
B. 6?
C. 1?
D. ?
Mathematics
Multiply.(-3m4z4)(5m4z2)
A. -15m8z6 B. -15mz8 C. -15m6z8 D. -15mz6
Mathematics
Decide if the sets are equivalent to one another.{0} and {775}
A. Equivalent B. Not equivalent
Mathematics