Question

an=4n²-8n+3 a91=
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Answer 1

Respuesta:

Hello !!

Solution :-

4n² - 8n + 3

= 4n² - 6n - 2n + 3

= 2n (2n - 3) - 1 ( 2n - 3)

= ( 2n - 3 ) ( 2n - 1 ) factories

if it is equal to zero

then , 2n - 3 = 0

n = 3/2 .. similarly , ( 2n - 1 ) = 0

n = 1/2: