wolfram|alpha says this is false but doesnt

trueq[sqrt(36-4x^2) equals 2 Sqrt[9 - x^2]] - Wolfram|Alpha

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- October 22nd 2013, 04:42 PMJonroberts74simplifying a radical
wolfram|alpha says this is false but doesnt

trueq[sqrt(36-4x^2) equals 2 Sqrt[9 - x^2]] - Wolfram|Alpha - October 22nd 2013, 05:02 PMPlatoRe: simplifying a radical
On the other hand, look at this.

- October 22nd 2013, 05:06 PMemakarovRe: simplifying a radical
And this.

- October 22nd 2013, 05:07 PMJonroberts74Re: simplifying a radical
why would it state it as false? Because, something subtracting something it equals is zero.

- October 22nd 2013, 05:41 PMtopsquarkRe: simplifying a radical
And yet again. Obviously "trueq" is a bit titchy. Always trust your mind over a computer.

-Dan - October 22nd 2013, 05:44 PMPlatoRe: simplifying a radical