Question

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Answer 1

Answer:

a = 0

b = 1

(a) 2a - 2b² = [2 x 0] - [2 x 1 x 1]        {b²= b x b}

                   =  0 - 2 = -2

(b) a² + ab -+ b² = [0 x 0] + [0 x 1] + [1 x 1]

                           = 0 + 0 + 1 = 1

Hope this helps...

Answer 2

Answer:

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