Question

If a+b+c=a and ab+bc+ca=20 ,fìnd a2+b2+c2​

Answer 1

$\huge \underline {\mathbb \red{❥A}\green{N}\mathbb\blue{S}\purple{W}\mathbb\orange{E}\pink{R}}\:$

• ✒️I THINK THERE'S A MISTAKE IN YOUR QUESTION!!

• ⚠️a+b+c=7* (not a)*.if so check the above attachment.

• ❗If 7 isn't the number,you can substitute any number in place of 7 to get the desired solution.

❣️Thank you ❣️