Question

factor.
y^2t^2 - 1

Answer 1

difference of two squares

Answer 2

hah :p

Answer 3

y^2t^2 - 1
= (yt)^2 - 1
= (yt-1)(yt+1)
Or you should write ty instead :|

Answer 4

thanks callisto !! much appreciated

Answer 5

Hmm.. the identity is this:
\[a^2 - b^2 = (a-b)(a+b)\]
Hope that you're not appreciating the answer I gave :|

Answer 6

what do you mean

Answer 7

I hope you understand how to get the answer :|

Answer 8

i do now thanks for describing it to me

Answer 9

Welcome :)