$r1^{2}$ =( $x^{2}$ + $y^{2}$ )
$r2^{2}$ =(6- $x^{2}$ )+ $y^{2}$
substitute above equations in below equation
r2 - 2r1
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.
$r1^{2}$ =( $x^{2}$ + $y^{2}$ )
$r2^{2}$ =(6- $x^{2}$ )+ $y^{2}$
substitute above equations in below equation
r2 - 2r1
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.