factorise the following
(1) 4a^2-4a+1
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rohan176:
sorry this is wrong
wats d coreect answer
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4a^2 - 4a+ 1
4a^2- 2a - 2a +1
2a(2a- 1)-1 (2a-1)
(2a-1) (2a-1)
so,
a= 1/2
4a^2- 2a - 2a +1
2a(2a- 1)-1 (2a-1)
(2a-1) (2a-1)
so,
a= 1/2
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