Math, asked by AvSmasher, 1 month ago

If x = 3 - 2√2 , Find the value of : x +( 1/x)

Answers

Answered by spondita24
1

Answer:

rationalise it u'll get 6

hope this helps u

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Answered by kushalpm2009
0

Answer:

Correct option is

A

±2

x=3+2

2

x

1

=

3+2

2

1

x

1

=

3+2

2

1

×

(3−2

2

)

(3−2

2

)

=

(3

2

−(2

2

)

2

)

3+2

2

=

9−8

3−2

2

=3−2

2

∴x+

x

1

=3+2

2

+3−2

2

⇒x+

x

1

=6⇒x+

x

1

−2=6−2⇒

(

x

)

2

+(

x

1

)

2

−2×

x

×

x

1

=4

⇒(

x

x

1

)

2

=4⇒

x

x

1

4

=±2

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