Question

If a=1 ,b=2 and c= -1 .find the value of each of the following expression .
(c+a)² -2ab

Answer 1

Answer:

( -1+1) ^2 -2(1) (2)

0-4

-4

Answer 2

Answer:

a=1

b=2

c= -1

so, we have to put this values in this equation

(c+a)^2- 2ab

Step-by-step explanation:

so, now we are putting those values in our equation

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

0-4

=-4

so our answer is -4