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Find the number of positive integers x f...

Find the number of positive integers x for which `f(X)=x^(3)-8x^(2)+20x-13,` is a prime number.

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RESONANCE-DPP-QUESTION
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  10. If (x+y)^(2)=2(x^(2)+y^(2))and(x-y+lamda)^(2)=4,lamdagt0, then lamda i...

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  20. The solutin set of the inequlity (1)/(x-2)-1/xle(2)/(x+2)is (-alpha,be...

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