1.

Let f(x)=e^(x)cos x + 1. Which of the following statements is always true?

Answer»

Between any two consecutive roots of `F (X)=0`
there is always a root of `e^(x)SIN x+1=0`
Between any two consecutive roots of `f(x)=0`
there is always a root of `e^(x)sin x-1=0`
Between any two consecutive roots of `f (x)=0`
there is always a root of `e^(x) COS x=0`
Between any two consecutive roots of `f(x)=0`
there is always a roots of `e^(x)sin x=0`

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