Math, asked by june107, 13 hours ago

if x= 2+√5 , then find the value of (x+1/x)​

Answers

Answered by harnoorkaur587
2

Step-by-step explanation:

x=2+

5

اور

x

2

=( 2)+

5

اور

)

2

=2

2

+(

5

اور

)

2

+2( 2 )(

5

اور

)

=4+5+5

5

اور

=9+5

5

اور

x

2

+

x

2

1

اور

=9+5

5

اور

+

9+5

5

اور

1

اور

=

9+5

5

اور

( 9+5

5

اور

)

2

+1

اور

=

9+5

5

اور

8 1+1 2 5+9 0

5

اور

+1

اور

=

9+5

5

اور

2 0 7+9 0

5

اور

اور

اور

Answered by itsbangtangirlhere4
11

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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