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  1. Difference between PEMDAS and BODMAS. - Mathematics Stack …

    Dec 21, 2022 · Division is the inverse operation of multiplication, and subtraction is the inverse of addition. Because of that, multiplication and division are actually one step done together from left to …

  2. Who first defined truth as "adæquatio rei et intellectus"?

    Mar 28, 2022 · António Manuel Martins claims (@44:41 of his lecture "Fonseca on Signs") that the origin of what is now called the correspondence theory of truth, Veritas est adæquatio rei et …

  3. Prove that $1^3 + 2^3 + ... + n^3 = (1+ 2 + ... + n)^2$

    HINT: You want that last expression to turn out to be $\big (1+2+\ldots+k+ (k+1)\big)^2$, so you want $ (k+1)^3$ to be equal to the difference $$\big (1+2+\ldots+k+ (k+1)\big)^2- (1+2+\ldots+k)^2\;.$$ …

  4. Good book for self study of a First Course in Real Analysis

    Sep 6, 2011 · Does anyone have a recommendation for a book to use for the self study of real analysis? Several years ago when I completed about half a semester of Real Analysis I, the instructor used …

  5. Left and right multiplying of matrices - Mathematics Stack Exchange

    Sep 8, 2015 · I am new to matrix multiplication and trying to understand something. Suppose you have a matrix equation Ax= b A x = b. I know to solve for x x you should left multiply by the inverse of A. But …

  6. matrices - How to multiply a 3x3 matrix with a 1x3 matrix ...

    I have 2 matrices and have been trying to multiply them but to no avail. Then I found this online site and trying feeding it the values but yet no success. - R' . T is what i would like to do but ...

  7. Programación Lineal (PL) - Mathematics Stack Exchange

    El resultado de correr el proceso 3 por una hora es 2 barriles de gasolina 3. Todas las semanas se podrían comprar 200 barriles de crudo 1 a 2 dólares el barril y 300 barriles de crudo 2 a 3 dólares el …

  8. Taylor Series for $\log (x)$ - Mathematics Stack Exchange

    Nov 29, 2013 · the Taylor series for ln (x) is relatively simple : 1/x , -1/x^2, 1/x^3, -1/x^4, and so on iirc. log (x) = ln (x)/ln (10) via the change-of-base rule, thus the Taylor series for log (x) is just the Taylor …

  9. factorial - Why does 0! = 1? - Mathematics Stack Exchange

    Possible Duplicate: Prove 0! = 1 0! = 1 from first principles Why does 0! = 1 0! = 1? All I know of factorial is that x! x! is equal to the product of all the numbers that come before it. The product of 0 and …

  10. logic - How can I prove that (p→q)∧ (p→r) ⇔ p→ (q∧r) - Mathematics ...

    Apr 16, 2019 · How can I prove that (p→q)∧(p→r) compound statements and compound statement p→(q∧r) are logically equivalent? And can I use logical equivalences on this proof?