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seen Jan 4 '13 at 10:59

Dec
19
answered are the two polynomials the same?
Dec
19
comment What exactly is infinity?
Oh yeah ..ur right..
Dec
19
answered What exactly is infinity?
Dec
18
awarded  Teacher
Dec
17
answered Check $\;y=\dfrac{\sin x}{x}\;$ is solution of $\;xy'+y=\cos x\;$
Dec
16
awarded  Editor