Question

$love the problem please​

Answer 1

Answer:

$\huge{\boxed{\rm{\red{Option=d}}}}$

Step-by-step explanation:

Given that:

(a-b+c)²

=>[(a+(-b)+c)]²

=>a²+(-b)²+c²+2a(-b)+2(-b)c+2ca

=>a²+b²+c²-2ab-2bc+2ca