334,475 views
7 votes
7 votes
What is this do u know

What is this do u know-example-1
User Kenneth Ito
by
2.6k points

1 Answer

30 votes
30 votes

Answer:

Multiply to remove the fraction, then set equal to 0 and solve.

r=2

Explanation:

User Ximyu
by
2.7k points