Skip to content
  • Home
  • About Me
  • Ask A Question
Search
Close

Stacey Vaughn, Math Tutor

Get math help

Category: Proof

Proof by Induction

October 27, 2009 StaceyLeave a comment

Q:  Prove by induction that:

1*1!+2*2!+…+n*n! = (n+1)! – 1

Read More »

Share this:

  • Facebook
  • Twitter
  • Email
  • Pinterest
  • Print

Like this:

Like Loading...

Proof with functions

October 6, 2009 StaceyLeave a comment

Q: Let f and g be invertible functions such that:

f: S –> T
g: T –>U
(1) Show g compose f is invertible and,

(2) that (g compose f) inverse = (f inverse) compose (g inverse)

Read More »

Share this:

  • Facebook
  • Twitter
  • Email
  • Pinterest
  • Print

Like this:

Like Loading...

Algebra Basics Bets Calculators Calculus College Algebra Differentiation Discrete (Counting) Exponents Factoring Functions General Concepts Geometry Graphing Inequalities Integration Limit Definition Limits Misc Polynomials Probability Proof Quadratics Radicals Trig Identities Trigonometry Uncategorized U Substitution Word Problems

Categories

  • Algebra (72)
  • Asymptotes (1)
  • Basics (13)
  • Bets (2)
  • Calculators (3)
  • Calculus (48)
  • College Algebra (27)
  • Completing the Square (1)
  • Concavity (1)
  • Conic sections (2)
  • Cos (1)
  • Differentiation (18)
  • Dimensional Analysis (1)
  • Discrete (Counting) (12)
  • Exponents (1)
  • Exponents (3)
  • Factoring (14)
  • Factoring (2)
  • Fractions (1)
  • Functions (8)
  • General Concepts (10)
  • Geometry (3)
  • Graphing (2)
  • graphing (2)
  • Inequalities (2)
  • Integration (15)
  • Limit Definition (3)
  • Limits (5)
  • Linear Equations (1)
  • Linearization (1)
  • Logarithms (2)
  • Matrices (1)
  • Misc (2)
  • Percents (1)
  • Poker (1)
  • Polynomials (3)
  • Probability (5)
  • Proof (2)
  • Proportions (1)
  • Quadratics (6)
  • Quotient Rule (1)
  • Radicals (3)
  • Relative Extrema (1)
  • Second Derivative Test (1)
  • Sin (1)
  • Statistics (1)
  • Systems of equations (2)
  • Tan Graphing (1)
  • Tips (1)
  • Triangles (1)
  • Trig Identities (2)
  • Trigonometry (19)
  • U Substitution (2)
  • Uncategorized (5)
  • Vectors (1)
  • Word Problems (7)

Posts

  • September 2020
  • June 2016
  • January 2016
  • December 2015
  • May 2013
  • October 2012
  • May 2012
  • April 2012
  • November 2009
  • October 2009
  • September 2009
  • June 2008

Recent Comments

  • Deepak Suwalka on When to use Disk Method versus Shell Method, Part 2
  • Deepak Suwalka on Integration Example: Disk (Washer Method) vs. Shell Method
  • Mary on Business Calculus Word Problem
  • Elliot Stephens on Test Tips (Cramming Tips)
  • moshimoshidesudesu on When to use Disk Method versus Shell Method, Part 1
Blog at WordPress.com.
Back to top
loading Cancel
Post was not sent - check your email addresses!
Email check failed, please try again
Sorry, your blog cannot share posts by email.
%d bloggers like this: