If x+y=9, find the value of of x^2+y^2.
Answers
Answered by
0
Answer:
the ques is incomplete check the ques
Answered by
1
Given, x−y=7 and xy=9
x−y=7
Squaring both sides, we get,
(x−y)2=72
=>x2+y2−2xy=49
=>x2+y2−2(9)=49
=>x2+y2=49+18
=>x2+y2=67
hope this helps you please mark this answer as brainalist and follow me on branily fast to get best answer
Similar questions