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Question

Write the set of values of x satisfying the inequation (x2 − 2x + 1) (x − 4) < 0.

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Solution

We have:Therefore, the solution of the given inequality is x(2,)

x2-2x+1x-4<0(x-1)2(x-4)<0Equating each one to zero, we obtain x=1 and x= 4.Therefore, 1 and 4 are critical points.Drawing the number lines, we get:


Therefore, the solution set of the given inequality is x-, 11, 4herefore, the solution of the given inequality is x(2,)

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