Question

what is BC/A formula

Answer 1

(a + b - c)2 = [a + b + (-c)]2

= a2 + b2 + (-c)2 + 2ab + 2 (b) (-c) + 2 (-c) (a)

= a2 + b2 + c2 + 2ab – 2bc - 2ca

Answer 2

Answer:

Step-by-step explanation:

When a fraction is in the form of A///B/C