pleaeeseeee guys answer my questions quickly
Attachments:
Answers
Answered by
1
Answer:
Given : x-y=7 ; xy=9
Solution:
=》(x-y)^2=x^2+y^2-2xy
=》(7)^2=x^2+y^2-2×9
=》x^2+y^2=49+18
=》x^2+y^2=67
Hence,the value of (x^2+y^2) is 67.
Hope it helped you...
Please mark this as the brainliest answer....
Answered by
0
Answer:
Hi Ishita
Abhi baat kar sakti ho kya?
Mai bohot bore ho rha hu
Similar questions