MathJax


Sunday, August 29, 2021

2021-042

Consider a function f(x) given by:

f(x)=xαcosx+Cxα.

Choose the value of α that makes the following formula true.

xf2f=x3sinx
  1. α=0
  2. α=1
  3. α=2
  4. α=3
  5. None of the above.

Original idea by: Thales Almeida

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