X square + Y square barabar 1
Answers
Answered by
4
If x-y= 1 & x2y - xy2 =2, Find the value of x2+y2 Any Ideas on how to begin ? Many Thanks.
suyaib:
jo man me aaye
man .main kuchh nahi aa raha
kyo
pata nahi
pata lagao
nahi lagana
kyo lagao
nahi
achha
kya hal hai
Answered by
0
x²+y²=1
so (x+y) ² =x²+y²+2xy
(x+y) ²=1+2xy
so (x+y) ² =x²+y²+2xy
(x+y) ²=1+2xy
Similar questions