Question

-If a = 1, b = - 2, find the value of a2+b2–2ab
a3 + b3-3 ab​

Answer 1

this is the answer

I hope this will helps u

Answer 2

Answer:

2

3

Step-by-step explanation:

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

2-4+4

2

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

3-6+6

3