Question

please help me friends please ​

Answer 1

Step-by-step explanation:

i hope this help you .......!! ..I'm not sure about answer ...!!

Answer 2

Answer:

11

Step-by-step explanation:

Given :- a = -1 , b = -2 and c = -3

Then , According to question,.

=> ab + bc + ca = (-1)×(-2) + (-2)×(-3) + (-3)×(-1)

= 2 + 6 + 3

= 11

Therefore , Required answer = +11