Question

if a=√3,then find the value of a– 1.
ā​

Answer 1

Answer:

a=2+√3

1/a=1/2+√3

=2-√3

a-1/a

=(2+√3)-(2-√3)

=2+√3-2+√3

=2√3

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Answer 2

Step-by-step explanation:

1)a=2+√3

a-1/a=2+√3-1/(2+√3)

=((2+√3) ²-1) /2+√3

=(4+4√3+3-1) /2+√3

=(6+4√3) /(2+√3)

2) a=√3

a-1=√3-1

=1.732-1

=0.732

ā=1/√3