__________,7980,26970,63960,124950
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990,7890,26970,63960,124950.............
Plz mark as best
plz
Plz mark as best
plz
guranshsingh17:
how this answer came
Its a series of n^3 - n
where n is the first number of the series
like 10 cube-10 we will get 990, 20cube -20 we will get 7890 , 30cube - 30 we will get 26970..................
now plz mark as the best
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