Question

If a = 2+ √3 , then find the value of a-1/a​

Answer 1

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Answer 2

Answer:

a-a/1=[2(3+2√3)]/2+√3

Step-by-step explanation:

a=2+√3

put a in given equation

a-1/a=2+√3-1/2+√3

=(2+√3)(2+√3)-1/2+√3

=[(4+2√3+3)-1]/2+√3

=[7-1+2√3]/2+√3

=(6+2√3)/2+√3

=[2(3+2√3)]/2+√3

hope this helps you.