Resources tagged “calculus”

22 resources.

Chain Rule

The chain rule for differentiating composite functions, with two worked derivative examples.

Definite Integrals

What a definite integral is and how to evaluate one, with a worked trigonometric example.

Power Rule

The power rule for differentiating x to a fixed exponent, with a worked example on a square root.

Product Rule

The product rule for differentiating a product of two functions, with worked examples including logarithmic differentiation.

Quotient Rule

The quotient rule for differentiating one function divided by another, with worked examples.

Applications of Derivatives

Using derivatives as rates of change, with worked examples on a growing circle's area and a particle's velocity and acceleration.

Implicit Differentiation

How to differentiate an equation that isn't already solved for y, with worked examples including an inverse trig identity.

Increasing and Decreasing Functions

How the sign of a function's derivative determines where it's increasing or decreasing, with worked examples including a cubic.

Maxima and Minima

Finding local maxima and minima and solving optimization problems using derivatives, with worked examples.

Rolle's Theorem

What Rolle's theorem states and how to verify it for a function on a closed interval, with a worked example.

Slope of Tangent and Normal

How the derivative gives the tangent's slope and the normal's slope is its negative reciprocal, with a worked example.

Tangents and Normals

Finding the slope of a tangent line to a curve at a given point, with worked examples on a cubic and a rational function.

Integration by Partial Fractions

Splitting a rational function into simpler fractions before integrating, with worked examples.

Integration of Particular Functions

Standard integration formulas for functions like 1/(x^2-a^2) and 1/(a^2-x^2), with worked examples.

Integration Using Trigonometric Identities

Rewriting a trigonometric integrand with an identity before integrating, with worked examples on cos^2 x, sin^2 x, and a secant identity.

Integral of e^x[f(x) + f'(x)]

A shortcut formula for integrating e^x times a function plus its own derivative, with a worked example.

Finding the Area Bounded by a Curve

Using definite integrals to find area under a curve, including a full period of cosine and a classic circle-area derivation.

Differential Equations

How to form a differential equation from a family of curves, and how to solve one by separating variables, with worked examples.

Integration by Parts

The integration by parts formula for integrating a product of two functions, with a worked example.

Continuity

Left-hand and right-hand derivatives, spotting a point that's continuous but not differentiable, and finding a function's domain, with worked examples.

Approximations Using Differentials

Using differentials to approximate square roots and estimate small changes, with worked examples including a percentage-change setup.

Partial Differentiation

How to take partial derivatives of a multivariable function, with a worked example that also verifies equality of mixed second partial derivatives by direct computation.