Question

if a=2√3 find a-1/a​

Answer 1

Answer:

a= 2√3

so,

a-1/a

2√3-1/2√3

cross multiply to make the denominators same

(2√3)^2-1/2√3

(2)^2*(√3)^2-1/2√3

(4*3) - 1/2√3

12-1/2√3

= 11/2√3

Step-by-step explanation:

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