Question

if a= 2 + root 3 then find the value of a- 1/a


plss help​

Answer 1

the value of a - 1/a will be 24 - 14√3

Answer 2

Step-by-step explanation:

Given

a=2+√3

1/a=1/(2+√3)

=2-√3

Now

a+1/a=2+√3+2-√3

a+1/a=4

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