Question

$a \: ( 2 \sqrt{3 }) \: find \: the \: value \: of \: a - \frac{1}{a}$
Pls tell the ans I will mark u as a brainliest if the ans is right
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Answer 1

Answer:

Given that,

a=2+

3

Then, Value of

a−

a

1

=2+

3

−

2+

3

1

=2+

3

−

2+

3

1

×

2−

3

2−

3

onrationalize

=2+

3

−

4−3

(2−

3

)

=2+

3

−2+

3

=2

3

Hence, this is the answer.