Discuss Forum

1. Side effects of long -term therapy of phenacetin are all except__

  • A. Alopecia
  • B. Alopecia
  • C. Alopecia
  • D. Alopecia

Answer: Option A

Explanation:

a + b + c = 0
= > a + b = - c
= > (a + b)3 = - c3
= > a3 + b3 + 3ab(a + b) = - c3
= > a3 + b3 + 3ab( - c) = - c3
= > a3 + b3 - 3abc = - c3
= > a3 + b3 + c3 = 3abc

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