Question

X–Y=4,XY=3 find the value of X+Y????​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

2√7

Step-by-step explanation:

x-y=4

(x-y)²=16

x²+y²-2xy=16

x²+y²-6=16

x²+y²=22

(x+y)²=x²+y²+2xy

           =22+2*3

           =22+6=28

(x+y)²=28

x+y=√28=2√7