27. Introduction to Multivariable Calculus: The 3D World
The finale of our Calculus series. Learn how Partial Derivatives and Double Integrals extend calculus into 3D space, paving the way for Machine Learning.
The finale of our Calculus series. Learn how Partial Derivatives and Double Integrals extend calculus into 3D space, paving the way for Machine Learning.
How do calculators compute sine and e^x? Learn how Taylor Series turn complex functions into infinite polynomials. Master the Maclaurin Series for sin(x), cos(x), and e^x.
How to solve integrals with infinite bounds or discontinuities. Master the technique of replacing infinity with a limit and understand the 'Gabriel's Horn' paradox.
How to solve integrals with infinite bounds or discontinuities. Master the technique of replacing infinity with a limit and understand the 'Gabriel's Horn' paradox.
Master the Integration by Parts formula (∫ u dv) to solve integrals of products like x*e^x or x*ln(x). Learn the LIATE rule for choosing u and dv.
Learn how to use definite integrals to calculate Work done by variable forces (Hooke's Law) and Fluid Force against vertical plates (Hydrostatic Pressure).
Learn how to use definite integrals to calculate Work done by variable forces (Hooke's Law) and Fluid Force against vertical plates (Hydrostatic Pressure).
Master the integration technique for finding the area between two functions. Learn the 'Top minus Bottom' formula and how to handle intersecting curves.
Master the integration technique for finding the area between two functions. Learn the 'Top minus Bottom' formula and how to handle intersecting curves.
Learn how to solve basic differential equations using separation of variables. Understand general vs. particular solutions and how to model population growth and Newton's Law of Cooling.
Learn how to solve basic differential equations using separation of variables. Understand general vs. particular solutions and how to model population growth and Newton's Law of Cooling.
Learn how to calculate the volume of 3D shapes using the Disk Method and Washer Method. Master the formulas for rotating curves around the x-axis and y-axis.
Learn how to calculate the volume of 3D shapes using the Disk Method and Washer Method. Master the formulas for rotating curves around the x-axis and y-axis.
Unwinding the mess — how to integrate complex composite functions by swapping variables and dividing out the inner derivative.
Unwinding the mess — how to integrate complex composite functions by swapping variables and dividing out the inner derivative.
The unification of math — proving that finding the area under a curve is actually just the reverse of finding its slope.
Slicing the infinite — how to calculate the area of a messy blob by cutting it into millions of tiny, simple rectangles.
Reversing the machinery — if we know the speed, can we find the position? The concept of indefinite integration and the mysterious '+ C'.
Position, Velocity, and Acceleration — how derivatives connect the 'where', the 'how fast', and the 'push' of the physical universe.
Maximizing profit, minimizing waste — using derivatives to find the absolute best solution in a world of constraints.
Smiles and Frowns — using the Second Derivative to determine how a function bends and finding the exact moment the trend reverses.
Fermat's Theorem — finding the hidden treasures of a function by hunting for places where the slope is zero or undefined.
If a ladder slides down a wall, how fast does the bottom move? Using the Chain Rule implicitly with respect to Time to solve dynamic geometry problems.
Unlocking the secret of 'e' — why e^x is the only function that is its own derivative, and how to differentiate logarithms.
Waves upon waves — understanding why the slope of a sine curve is a cosine curve, and memorizing the 'Big Six' trig derivatives.
Digging for Gold — how to find the slope of a curve when x and y are mixed together, and why y is treated differently than x.
The most important rule in Calculus — dealing with composite functions by differentiating the outside, then the inside, layer by layer.
Why the derivative of a product is NOT just the product of the derivatives — mastering the 'Left d-Right' and 'Low d-High' mnemonics.
Stop using the long limit definition. Learn the pattern that allows you to differentiate any polynomial in seconds.
From Secant to Tangent — deriving the formula that measures instantaneous change, and why h must approach zero.
Connecting the dots — the rigorous definition of a smooth curve, why nature hates teleportation, and the three rules that keep the universe from falling apart.
Beyond the Algebra review — deep diving into Left vs. Right approaches, the mystery of 0/0, and the rigorous logic of 'arbitrarily close'.
Algebra is a snapshot; Calculus is the movie. Understanding the study of constant change and why it is the greatest achievement of human thought.