Question

if a= 1 , b = -2 c= 3 evaluate the following ab +bc+ca​

Answer 1

Answer:

ab + bc + ca

(1)(-2) + ( -2)(3) + (3)(1)

-2 + (-6) + 3

-2 -6 +3

-8 +3

- 5

hope this will help u

Answer 2

Answer:

1*(-2)+(-2)*3+3*1

(-2)+(-6)+3

= -5

the answer is -5