Mathematics
Factorise :
(2a - 3)2 - 2(2a - 3)(a - 1) + (a - 1)2
Factorisation
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Answer
Given,
(2a - 3)2 - 2(2a - 3)(a - 1) + (a - 1)2
= [(2a - 3) - (a - 1)]2
= (2a - 3 - a + 1)2
= (a - 2)2.
Hence, (2a - 3)2 - 2(2a - 3)(a - 1) + (a - 1)2 = (a - 2)2.
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