Simplify.

A. -
B. -
C.
D. -

Answer: B

Mathematics

Solve the differential equation.9 + 25y = 0

A. y = C₁ sin x + C₂ cos x
B. y = e^x
C. y = C₁ sin x + C₂x cos x
D. y = (C₁ + C₂x) e^(5/3)x

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Mathematics

Indicate the quadrant in which the point belongs.(-4, -14)

A. III B. II C. I D. IV

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Mathematics

Write the expression as a complex number in the form a + bi. +

A. 0 - 15i B. 0 + 15i C. 0 + 56i D. -15 + 0i

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Mathematics

Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(8 + 4i)2

A. 80 - 64i B. 48 - 64i C. 48 + 64i D. 80 + 64i

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Mathematics