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[" Let "f(x)={[px^(2)+1," when "x<=1],[x...

[" Let "f(x)={[px^(2)+1," when "x<=1],[x+p," when "x>1]],[" The value of "p" for which "f(x)" is derivable at "x=1" is "],[[" (a) "(1)/(2)," (b) "-(1)/(2)," (c) "2]]

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