Math, asked by falaks111, 2 months ago

x= √7+√5/√7+√5

y= √7-√5/√7+√5
find x²-y²

Answers

Answered by kshitijkumar78
0

Answer:

x= √7+√5/√7+√5=1

y = (√7-√5)²/7-5

= 7+5-2√35/2

= 6-√35

y²= (6-√35)²

= 36+35-12√35

= 71-12√35

x²-y²

1-(71-12√35)

= 1-71+12√35

= -70+12√35

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