Math, asked by chaudharymayankuu777, 3 days ago

if x = 2-√5/2+√5 and =2+√5/2-√5 find the value of x² -y²

Answers

Answered by n7428950879

0

Answer:

x=2+

5

x

2

=(2+

5

)

2

=2

2

+(

5

)

2

+2(2)(

5

)

=4+5+5

5

=9+5

5

x

2

+

x

2

1

=9+5

5

+

9+5

5

1

=

9+5

5

(9+5

5

)

2

+1

=

9+5

5

81+125+90

5

+1

=

9+5

5

207+90

5

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