5 Answered Questions for the topic Differential Equations.

Differential Equations.

05/21/18

#### find the real solution of (d^2y/dx^2)^2=-100

MATH PROBLEM IN D.E
Differential Equations.

02/19/18

#### Find the solution for the following exact differential equations.

(2ty/t^2+1) - 2t - (2 - ln(t^2 + 1))y' = 0 ; y(5) = 0   Note: the "+1" is not part of the exponent in "(2ty/t^2+1)"   My answer to this problem is "y(ln(t^2+1)-2) = 0" Am I right?

10/12/17

#### Separable Differential Equations Problem

Find the solution of the given initial value problem in explicit form.sin(2x)dx+cos(4y)dy=0, y(π/2)=π/4 I solve to get the general equation:(1/4)sin(4y)=(1/2)cos(2x)+C then I plug in the initial... more

10/11/17

#### Ordinary Differential Equations Problem

Find the solution of the given initial value problem in explicit form.sin(2x)dx+cos(4y)dy=0, y(π/2)=π/4   I solve to get the general equation: y=[arcsin(2cos(2x)+C)]/4 but when I plug in the... more
Differential Equations.

09/16/17

#### If the rate of increase in area is 1.5cm/s, how would I go about finding the rate of change of radius when the area is 30cm^2?

Ink is dropped on a blotting paper forming a circular stain which increases in area at a a rate of 1.5cm/s. Fin the rate of change of the radius when the area is 30cm^2.

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