Question

prove that f(x)= |x| cos x is not differentiable at x=0.​

Answer 1

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It is not the same as the most important

The new system and method for producing

The first time I had to go through

I have to say I

The first time I had

Answer 2

Step-by-step explanation:

The left limit does not equal the right limit, and therefore the limit of the difference quotient of f(x) = |x| at x = 0 does not exist. Thus the absolute value function is not differentiable at x = 0.

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