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Find the value of k if the function f(x)...

Find the value of k if the function f(x) defined by `f(x)={(2x-1,when x<2),(k,when x=2),(x+1, when x>2):}`is continous at x=2.

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SHARAM PUBLICATION-CONTINUITY AND DIFFERENTIABILITY-EXAMPLE
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  8. If f(x)={(ax^2+b if x lt1),(1 if x=1),(2ax-b if xgt1):} is continuous...

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