Grade 12Differential Calculus
Number of roots of the equation 4cos(e^x)=2^x+2^-x isA)0. B)1. C)2. D) infinite
Number of roots of the equation 4cos(e^x)=2^x+2^-x is
A)0. B)1. C)2. D) infinite
1 Answer
Kumar
Draw the graph of this function and it is cut the x-axis infinite times so that the roots are infinite.
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