-x to the power 2 -y to the power 2 +7*xy
if x=1/5 and y=-1/5

1
someone pls ans this fast...........................
plssssssssssssssss
Your question is -x2-y2+7xy (2 is power of x and y). Is that right?
yes
pls tell me the ans to this question.......................................pls......................

Answers

2014-02-25T12:51:47+05:30
-x2-y2+7xy
-(1/25)-(1/25)-(7/25)
1/25 (-1-1-7)
-9/25
1 5 1