Question

Find the sum of 32 + 42 + 52 + .... + 502

Answer 1

$\huge\color{cyan}\boxed{\colorbox{black}{ANSWER ❤}}$

$32+42+52+...+502=x$

$Let's \:reverse\:this\:equation\:and\:add\:to\:itself$$(32+502)+(42+492)+(52+482)+...+(502+32)=2x$

$534+534+534+...+534=2x$

$42(534)=2x$

$x=21(534)$

$\purple{Answer:11214}$