Math, asked by choco78, 1 year ago

if X + Y is equal to 12 X Y is equal to 13 find the value of x square + Y square

Answers

Answered by aditya17072004
0
x+y =13. ...(i)
12xy=13
=>XY=13. ...(ii)
(x+y)²=x²+y²+2xy
=>x²+y²=(x²+y²)-2xy
=13²-2×13
=169-26
=143

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