Math
posted by Ashli .
The lcm for...
(1+3t)
(19t)^2
(13t)
Answer 9t^2 or (3t+1)(3t+1)
I'm not sure which answer I have is right, could you help me please.

I think the middle one is a typo
You mean (1  9t^2)
which is in fact (13t)(1+3t)
so indeed the least common multiple is
(19 t^2) or (13t)(1+3t)
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