Question

Extend the patterns of numbers

1, 3, 6, 10,_,_​

Answer 1

Answer:

1 ,3, 6, 10, 15, 21,

Hope it helps and follow me.

Answer 2

Answer:

$\huge\mathcal\pink{Rule: \: Xn \: = \: \frac{n(n+1)}{2}}$

$\mathsf\green{So \: the \: sequence \: be \: like}$

$\mathsf\purple{1, 3, 6, 10, 15, 21, 28, 36, 45, ...}$