MATHEMATICS - ORAL MIDTERMS

QUADRATIC EQUATION

Ax²+Bx+C=0

QUADRATIC FORMULA

x=-b±√(b²-4ac)/2a

SUM OF TWO ROOTS

-B/A

PRODUCT OF TWO ROOTS

C/A

BINOMIAL THEOREM USING SIGMA NOTATION

( (a + b)^n = \sum_{k=0}^{n} \binom{n}{k} a^{n-k} b^k ).

FOR A COMPLETE JOB, r=?

1/t