The number of $p$ oints which can be expressed in the form $(p_1/q_ 1 , p_2/q_2)$, ($p_i$ and $q_i$ $(i = 1,2)$ are co-primes) and lie on the ellipse $\frac{{{x^2}}}{9} + \frac{{{y^2}}}{4} = 1$ is
The number of $p$ oints which can be expressed in the form $(p_1/q_ 1 , p_2/q_2)$, ($p_i$ and $q_i$ $(i = 1,2)$ are co-primes) and lie on the ellipse $\frac{{{x^2}}}{9} + \frac{{{y^2}}}{4} = 1$ is
- A
$4$
- B
$8$
- C
$12$
- D
more than $12$
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- [IIT 1998]
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