Question

if a=6+√3 find the value of a-1/a​

Answer 1

Answer:

here is the answer

helpful

Answer 2

Answer:

5

Step-by-step explanation:

a= 6+$\sqrt[]{3}$

a-1/a = 6+$\sqrt[]{3}$ - 1/6+$\sqrt[]{3}$

Rationalizing the denominator,

1 x 6-$\sqrt[]{3}$/ 6-3

6-$\sqrt[]{3}$   / 3

therefore,

6+$\sqrt[]{3}$ - 6-$\sqrt[]{3}$/ 3

18+3 $\sqrt{3\\}$ - 6 - $\sqrt{3}$/3

18+3-6/3

15/3

5

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