Question

Find the value of the expression a²
+ 2ab + b²

for a = -1, b = 1


(a) 1

(b) 0

(c) – 1

(d) 2​

Answer 1

Answer:

(d) 2

Step-by-step explanation:

a2+2ab+b2

= (-1)2+ 2(-1) (1) +(1)2

= 1-2+2+1

= -1+3

= 2