What is the triplicate ratio of 9:4?
729:64
729:65
625:64
81:64
We know that for a ratio a : b, triplicate ratio is defined as the ratio of cubes of the terms i.e a3:b3
∴ The triplicate ratio of 9:4 is 93:43 = 729:64
If (x-9): (3x+6) is the triplicate ratio of 4:9. Find X.