Multiple choice general knowledge math & puzzles

d/dx(1/u^n) = (^ is Power)

  1. -(v/u^n+1)dy/dx

  2. (n/n^u+1)dv/dx

  3. -(n/u^n+1)du/dx

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Using the power rule for differentiation, d/dx(u^-n) = -n * u^(-n-1) * du/dx. This simplifies to -(n/u^(n+1)) * du/dx. The other options either use the wrong variable (v), incorrect power notation, or omit the chain rule component (du/dx).