Question

binomial
1) Prove that
a
2 +Y? - 2) - (x² - y2,
Proor. We have
(+ 15
(1) (a + /
c)
+
(1) It',
ressions:
(14
(x - " + 1) - (a + L+ 1)
210 (ii) (x^2-x+1)
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Answer 1

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