Check whether the given list of numbers form an $\mathrm{AP}$ or not? If they form an $\mathrm{AP}$, find the common difference $d$ and write the next three terms.

$a,2a,3a,4a,...\dots$

Check whether the given list of numbers forms $\mathrm{AP}$ or not? If they form an $\mathrm{AP}$, find the common difference $d$ and write the next three terms.

$a, a^2, a^3, a^4,\dots ....$

Check whether the given list of numbers forms $\mathrm{AP}$ or not? If they form an $\mathrm{AP}$, find the common difference $d$ and write the next three terms.

$\sqrt{2},\sqrt{8},\sqrt{18},\sqrt{32},\dots ...$

Check whether the given list of numbers forms $\mathrm{AP}$ or not? If they form an $\mathrm{AP}$, find the common difference $d$ and write the next three terms.

$\sqrt{3},\sqrt{6},\sqrt{9},\sqrt{12},\dots .....$

Fill in the blanks in the following table, given that $a$ is the first term, $d$ the common difference and $a_n$ the $n\mathrm{th}$ term of the $\mathrm{AP}$:

Fill in the blanks in the following table, given that $a$ is the first term, $d$ the common difference and $a_n$ the $n\mathrm{th}$ term of the $\mathrm{AP}$:

Fill in the blanks in the following table, given that $a$ is the first term, $d$ the common difference and $a_n$ the $n\mathrm{th}$ term of the $\mathrm{AP}$:

Fill in the blanks in the following table, given that $a$ is the first term, $d$ the common difference and $a_n$ the $n\mathrm{th}$ term of the $\mathrm{AP}$:

Fill in the blanks in the following table, given that $a$ is the first term, $d$ the common difference and $a_n$ the $n\mathrm{th}$ term of the $\mathrm{AP}$: