Solve the logarithmic equation.log5x = -4
A. 1024
B. 
C. 
D. 625
Answer: C
Mathematics
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Find ?f.f(x, y, z) = z sin (x + y + z)
A. F = -cos xi - cos yj + (sin z - z cos z)k B. F = z cos(x + y + z)i + z cos(x + y +z)j + (sin(x + y + z) + z cos(x + y + z))k C. F = -z cos(x + y + z)i - z cos(x + y +z)j + (sin(x + y + z) - z cos(x + y + z))k D. F = cos xi + cos yj + (sin z + z cos z)k
Mathematics
Decide if the given equation is a solution of the given differential equation.y' - 3x2 = -9, y = x3 - 9x + c
A. No B. Yes
Mathematics
Solve.Subtract: (9x2 - 14x - 12) - (4x2 + 17x + 8)
A. 5x2 - 10x - 4 B. 5x2 - 31x - 4 C. 5x2 - 31x - 20 D. -46x7
Mathematics
Establish the identity.cos 3x = cos3 x - 3 sin2 x cos x
What will be an ideal response?
Mathematics