Multiply the fraction by both things in the parenthesis.
The numbers can be 31, 37, 41, 47, 53, and 59.Hope this helps
The formula for the nth term is
a1 + (n-1)d where a1 = first term and d = common difference
<u>ANSWER</u>

<u>EXPLANATION</u>
The Cartesian equation is

We substitute


and

This implies that

Let us evaluate the exponents to get:

Factor the RHS to get:

Divide through by r²

Apply the double angle identity

The polar equation then becomes:

Answer:
2/3
Step-by-step explanation:
There are 2 numbers out of 3 that fit the rule, 1 and 3. There is a 2/3 chance picking one of them.