If x+y=7 and xy=3,find the value of:-
x^2+y^2
Answers
Answered by
0
Answer:- 43
explanation:- we have given x + y = 7
and also given x = 3
take squares of both side ,
we get,
(x)squares + (y)square + 2xy = 49
(x)square + (y)square + 6 = 49
(x) square + ky) square = 43
Answered by
0
Answer:
it's simple the answer is 2x+34x-2x
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