Product of 3 negatives equals a negative answer
Product of 3 positives equals a positive answer
The equation would be (3+√-16)(6-√-64)
A negative square root can not be a real number, meaning that we have to use the imaginary number.
(3+4i)(6-8i)
How to multiply imaginary numbers...
Treat this like an equation looking like (x-a)(y-b)
Use FOIL
(3+4i)(6-8i)
= 18-24i+24i-32i²
= 18-32i² (i²= -1 because i= √-1)
= 18- (-32)
= 18 + 32
= 50
closed interval on x=3 and open at x=5
for all values between these numbers, y=3
so [3,5)
3.1415926535 is the ones I have memorized. Shouldnt need to know more then that
