How to solve root x + root y the whole square divided by root x minus root y the whole square?
ranialisha128:
is it we do rationalize the denominator
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Hi ,
( √x + √y )² / ( √x - √y )²
= [ ( √x + √y )/(√x - √y ) ]²
= {[(√x+√y)(√x+√y)]/[(√x-√y)(√x+√y)]}²
= {( √x + √y )²/ [ ( √x )² - ( √y )² ] }²
= ( x + y + 2√xy )² / ( x - y )
I hope this helps you.
: )
( √x + √y )² / ( √x - √y )²
= [ ( √x + √y )/(√x - √y ) ]²
= {[(√x+√y)(√x+√y)]/[(√x-√y)(√x+√y)]}²
= {( √x + √y )²/ [ ( √x )² - ( √y )² ] }²
= ( x + y + 2√xy )² / ( x - y )
I hope this helps you.
: )
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