Thread: three 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)

Originally Posted by keane

please if anyone could answer these:

#1: complex number in stranded form:
1+3i/3+4i

multiply by the conjugate of the denominator over itself. that is, to get in standard form, multiply by and simplify

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

see here

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