Q21Single correct4 Marks3 Dec 2023Choose the set of INCORRECT options.AIf a function is continuous at a particular point, then the function is differentiable at that point.BIf a function is differentiable at a particular point, then the function must be continuous at that point.CIf f(x)f(x)f(x) and g(x)g(x)g(x) are bijective functions, then (g∘f)(x)(g\circ f)(x)(g∘f)(x) is also a bijective function.DIf f(x)f(x)f(x) and g(x)g(x)g(x) are one-one functions, then (g∘f)(x)(g\circ f)(x)(g∘f)(x) is also one-one function.