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f(x)=a[x+1]+b[x-1] is continuous at x=1,...

`f(x)=a[x+1]+b[x-1]` is continuous at x=1, there [x] denotes greatest integer functionn then

A

`a+b=0`

B

`a-b=0`

C

`2a-b=0`

D

`a-2b=0`

Text Solution

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The correct Answer is:
C
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