Listen to me! "a" has also third solution: a=0☺ a³ = 3a a³ - 3a = 0 a(a² - 3) = 0 a=0, ±√3 thanks

@JohnUsp

Ай бұрын

True and confirmed by calculator (poly-solver)

@zubairbutt1138

Ай бұрын

​@@JohnUspyes😊

Before you put X/a, you always need to make sure a is not zero.

Since we're dealing a^3 we have to look for 3 solutions. Zero is the third solution here.

@zubairbutt1138

Ай бұрын

Right. But he explained already 👆 a=0 is a third solution

a = 0 ?

@asadbhatti6404

Ай бұрын

Yes, he has been explained in the comment box