Question

If a = 7 – 4√3 , then find the value of √ + 1 /√​a

Answer 1

Answer:

a=7−4

3

;

a

1

=7+4

3

∴a+

a

1

=14

Now

(

a

+

a

1

)

2

=(a+

a

1

+2)=14+2=16

∴

a

+

a

1

=4

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