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Q.

The function f(x) = x2 - 2x - 3. e9x2 - 12x + 4 is not differentiable at exactly:

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a

Three Points

b

One Point

c

Two Points

d

Four Points

answer is C.

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Detailed Solution

f(x)=|x2-2x-3|e|9x2-12x+4| f(x)=|(x-3)(x+1)|e|3x-2|2 is not differentiable if |(x-3)(x+1)|=0 x=3, x=-1 No. of points =2

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The function f(x) = x2 - 2x - 3. e9x2 - 12x + 4 is not differentiable at exactly: