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If y = sin^(-1)(x), what is the second derivative d^2y/dx^2?

Practice Questions

Q1
If y = sin^(-1)(x), what is the second derivative d^2y/dx^2?
  1. 0
  2. 1/√(1-x^2)^3
  3. -1/√(1-x^2)^3
  4. undefined

Questions & Step-by-Step Solutions

If y = sin^(-1)(x), what is the second derivative d^2y/dx^2?
  • Step 1: Start with the equation y = sin^(-1)(x). This means y is the inverse sine of x.
  • Step 2: Find the first derivative dy/dx. The derivative of y = sin^(-1)(x) is dy/dx = 1/√(1-x^2).
  • Step 3: Now, we need to find the second derivative d^2y/dx^2. To do this, we differentiate dy/dx again.
  • Step 4: Use the quotient rule or chain rule to differentiate dy/dx = 1/√(1-x^2).
  • Step 5: The derivative of 1/√(1-x^2) is -1/2 * (1-x^2)^(-3/2) * (-2x) = x/(1-x^2)^(3/2).
  • Step 6: Therefore, d^2y/dx^2 = -1/√(1-x^2)^3.
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