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Question

State whether the statement is True or False.
Expand: (a−2b)3 is equal to a3−6a2b+12ab2−8b3.

A
True
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B
False
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Solution

The correct option is A True
(a+b)3=a3+b3+3a2b+3ab2(a2b)3=a38b36a2b+12ab2

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