please if anyone could answer these:

#1: complex number in stranded form:

1+3i/3+4i

#2: complete the square x^2-8x+4=0

#3: find the absolute value of (2-3i)

Printable View

- Oct 22nd 2008, 08:08 PMkeanethree problems NEED URGENT HELP
please if anyone could answer these:

#1: complex number in stranded form:

1+3i/3+4i

#2: complete the square x^2-8x+4=0

#3: find the absolute value of (2-3i) - Oct 22nd 2008, 08:15 PMJhevon
multiply by the conjugate of the denominator over itself. that is, to get $\displaystyle \frac {a + ib}{c + id}$ in standard form, multiply by $\displaystyle \frac {c - id}{c - id}$ and simplify

Quote:

#2: complete the square x^2-8x+4=0

Quote:

#3: find the absolute value of (2-3i)