A triangle has side lengths 7,8,97, 8, 97,8,9. Let h1,h2,h3h_1, h_2, h_3h1,h2,h3 be its altitudes. What is 1h1+1h2+1h3\frac{1}{h_1} + \frac{1}{h_2} + \frac{1}{h_3}h11+h21+h31?
1r\frac{1}{r}r1
2r\frac{2}{r}r2
12r\frac{1}{2r}2r1
3r\frac{3}{r}r3