Question

what is a2 + b2 when a = 1 and b= -1?​

Answer 1

Answer:

a2+b2

putting the value of a and b ,we get

(1)×2+(-1)×2

2+(-2)

2-2

0...

Step-by-step explanation:

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Answer 2

Answer:

a2 + b2 = 2

Step-by-step explanation:

a ->   1 * 1 = 1

b ->   -1 * -1 = 1

1 + 1 = 2