Question

Verify the following for a = 3 and b = 4.
a) (a + b)2 = a2 + 2ab + b2
b) (a - b)2 = a2 - 2ab +62
c)(a + b)(a - b) = a2 - 62
00)
2
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Answer 1

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a) 49

b) 1

c) -7