Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
((a_1^2+a_2^2)(b_1^2+b_2^2)+(a_1*b_1+a_2*b_2)^2-(a_1^2*b_1^2+a_2^2*b_2^2))^2-(a_1^4+a_2^4)(b_1^4+b_2^4)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random