Question 64

Q66Multiple choice

Find the values of the following polynomials at a = – 2 and b = 3:

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(a) a2 + 2ab + b2

(b) a2 – 2ab + b2

(c) a3 + 3a2b + 3ab2 + b3

(d) a3 – 3a2b + 3ab2 – b3 a 2 +b 2 a 2 -b 2 (e) (f) 3 3 (g) a + b (h) a2 + b2 – ab – b2 – a2