Posted by **Bill** on Friday, January 11, 2013 at 11:05am.

Show that (a^2+b^2)(c^2+d^2)=(ac+bd)^2 + (ad-bc)^2

## Answer this Question

## Related Questions

- math - if a & b are perpendicular vectors, show that a)(a+2b).(a-b)=|a|^2-2|b|^2...
- math - Can someone please show us how to show 1500 x 2.1? I can not for the life...
- math - a local television station sends out questionnaires to determine if ...
- Math - Could you show me how to work through this problem? Show me steps Solve ...
- Math - do this values in the table represent a linear function? If so what is ...
- Math - Dog show competitors Dog Breed. Number of Dogs Poodle. 35 German ...
- Math - Show work to determine if the relation is even, odd, or neither. f(|x...
- algebra - Could you show me how to do these math systems and show your work so i...
- math - please help with daughters homework show 25 broken key is 5 show in 3 ...
- math - use your calculator.show 14. broken keyr is 1. show 2 ways

More Related Questions