Question

If 1/a=1/9, the value of a is:-​

Answer 1

Answer:

1/a=1/9

so if numerator=numerator then if fractions are equal denominator =denominator

i.e. a=9 ans

Answer 2

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.