Write the complex number in polar form.5j
A. 
(cos 0° + j sin 0°)
B. 5(cos 90° + j sin 90°)
C. 
(cos 90° + j sin 90°)
D. 5(cos 0° + j sin 0°)
Answer: B
Mathematics
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Find the potential function f for the field F.F = 9x8y9z3i + 9x9y8z3j + 3x9y9z2k
A. f(x, y, z) = x9y9z3 + 9x9y8z3 + 3x9y9z2 + C
B. f(x, y, z) = x27y27z9 + C
C. f(x, y, z) = x9y9z3 + C
D. f(x, y, z) = 
Mathematics
Determine the limit by sketching an appropriate graph.
f(x), where f(x) = 
A. -10 B. 4 C. 27 D. 3
Mathematics
Find the indicated term(s) of the given sequence.The eighth term of the sequence an = 4 - 3(n - 1)
A. -20 B. 28 C. -17 D. 25
Mathematics
Factor out the greatest common factor.60x7y9 - 18x4y6 - 54x2y3
A. No common factor B. 6x2(10x5y9 - 3x2y6 - 9y3) C. 6x2y3(10x5y6 - 3x2y3 - 9) D. 6(10x7y9 - 3x4y6 - 9x2y3)
Mathematics