Divide and check please help me

[From: ] [author: ] [Date: 11-06-07] [Hit: ]

Divide and check:

(t^4 − 2t^2 + 4t − 5) ÷ (t^2 − 3)

t^2 - 2t^2 + 4t + 1.7

t^4-2 t^2+4 t-5 = (1+t^2)×(-3+t^2)+-2+4 t

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