# Find a variable to make equation = 0

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Sorry if the question is of the most newbie kind, but my education is not in english so even searching for explanation of the most basic of math problems is really hard.

I'm struggling with this equation: I need to find for which value of w, the answer (wsr) will be 0.

This is the code I've written so far but ofc it doesnt give me the answer I need so any pointers how to fix are very much appreciated!

syms w

ky = 175;

kob = 0.5;

Tob = 40;

wsr = sqrt(ky^2*(1+ky*kob+w^2*Tob^2)^2) + (w*ky^2*kob*Tob)^2 / (1+ky+kob)^2+w^2*Tob^2

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### Answers (2)

Matt J
on 5 Jul 2021

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