Roman C.

Differentiation

08/22/13

How to differentiate x^sinx ?

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Planets

08/03/13

is the sun a planet

I was wondering if the sun is a planet?

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Simplifying Expressions

07/28/13

Find the general solution?

Find the general solution of x^2*y"+4xy'+2y=0 that is valid in any interval not including the singular point. Answer:... more

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Same Solutions

07/17/13

Do the equations x = 4y + 1 and x = 4y – 1 have the same solution? How might you explain your answer to someone who has not learned algebra?

Do the equations x = 4y + 1 and x = 4y – 1 have thesame solution? How might you explain your answer to someone who has not learnedalgebra? How do you solve? This is for new learners in Algebra.

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Other

07/13/13

Is differential geometry pure math?

Is this course pure math? Is it college math or graduate level math? Do physics and engineering majors need this course? What's the name of the textbook for this course that MIT uses?

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Math Help Math Question

07/09/13

remainder 43, quotient 344, dividend 43 043

The question is: The remainder is 43. The quotient is 344. The dividend is 43 043. What is the divisor?

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Other

07/08/13

Find approximate values?

Find approximate values of the solution of y'=3+t-y, y(0)=1 at t=0.1, 0.2, 0.3, and 0.4 using the Euler method with h=0.1.

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Math

07/04/13

Solve the initial value problem?

Solve the initial value problem y'+2y=g(t), y(0)=0, where g(t)={1, 0≤t≤1, 0, t>1.

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Algebra

07/04/13

what is 20 divided by square root 15?

it is a math problem

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Math

07/03/13

Show that an equation is homogeneous?

Show that (x^2+3xy+y^2)dx-x^2*dy=0 is homogeneous.

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Math

07/03/13

Show that this equation is homogeneous?

Show that dy/dx=(4y-3x)/(2x-y) is homogeneous. xv=y v'x+v=y' v'x+v=(4y-3x)/(2x-y)

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Algebra

07/03/13

find the inverse of f(x)=1/x^5

i do not know how to do this. can someone please show me the steps to solving this problem.

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Math

07/02/13

Can you find this integral?

∫ (e^(t/2))(2cos(t))dt.

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Math Equations

06/29/13

Find the solution of the given initial value problem?

Find the solution of the given initial value problem for ty'+2y=t^2-t+1, y(1)=1/2, t>0.

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Find The Solution

06/28/13

Find the general solution?

Find the general solution of y'+3y=t+e^(-2t).

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Math

06/25/13

Find the general solution?

Find the general solution of dy/dx+3y=e^3x.

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Algebra

06/21/13

how do you factor the expression 4x²+29x+30

factor the expression

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Differential Equations

06/19/13

Solve the differential equation?

Solve the differential equation y^(4)-5y"-36y=0. r^4-5r^2-36 (r^2-9)(r^2+4) r=3, -3, 2i, -2i y=c1*e^3x+c2*e^-3x+c3(cos(2x))+c4(sin(2x)) Is that the right answer? And can someone give me some... more

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Math

06/15/13