设f(x)={a(1-cosx)/x^2,x>0f(x)={a(1-cosx)/x^2,x>0.{2,x=0{(1+bx)^1/x,x<0,在点x=0处连续,试求常数a与b

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设f(x)={a(1-cosx)/x^2,x>0f(x)={a(1-cosx)/x^2,x>0.{2,x=0{(1+bx)^1/x,x<0,在点x=0处连续,试求常数a与b
设f(x)={a(1-cosx)/x^2,x>0
f(x)={a(1-cosx)/x^2,x>0.
{2,x=0
{(1+bx)^1/x,x<0,
在点x=0处连续,试求常数a与b

设f(x)={a(1-cosx)/x^2,x>0f(x)={a(1-cosx)/x^2,x>0.{2,x=0{(1+bx)^1/x,x<0,在点x=0处连续,试求常数a与b
.给我吧