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1-Newbie

## X=(1/B)*(y+1/y^2). Solve for y in terms of X and B?

I have an equation that looks like this:

X = Y*(1+(1.4/B^2)*(Y/5)^4)^1/2

How do I solve this equation for Y in terms of the other variables?

I've attached my worksheet...

Thanks!

5 REPLIES 5
13-Aquamarine
(To:ptc-4451268)

See in attached file.

Viktor
24-Ruby IV
(To:ptc-4451268)
 ptc-4451268 wrote:I have an equation that looks like this:X = Y*(1+(1.4/B^2)*(Y/5)^4)^1/2How do I solve this equation for Y in terms of the other variables?Thanks!

The Symbolic Math gives us an absolutely correct and totally useless answer

Why do you not use a numeric math!?

17-Peridot
(To:ptc-4451268)

With a little prior manipulation this can be written as a cubic in Kic^2, which Mathcad solves easily. See attached.

Alan

1-Newbie
(To:ptc-4451268)

I think these are all good answers, but I've found out the way that suits me best is this:

I suppose I should have told you guys that I already knew the other variables

I am still learning, so I am sure I will have more questions.

Thanks!

24-Ruby II
(To:ptc-4451268)

It was necessary for you to understand initially what decision you want to receive: symbolically or numerical.

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