SOLUTION: Display the answer in the rectangular form a + bi. 6√-8 + 2√-4 + 5√-18 a. 20i √2+4i b. 27i √2+4i c. 27√2+4i d. 20√2 + 4i

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Display the answer in the rectangular form a + bi. 6√-8 + 2√-4 + 5√-18 a. 20i √2+4i b. 27i √2+4i c. 27√2+4i d. 20√2 + 4i      Log On


   

Question 1160240: Display the answer in the rectangular form a + bi.
6√-8 + 2√-4 + 5√-18
a. 20i √2+4i
b. 27i √2+4i
c. 27√2+4i
d. 20√2 + 4i
Found 3 solutions by MathLover1, ikleyn, Alan3354:
Answer by MathLover1(20850) About Me  (Show Source):
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.

In the form a + bi,  the final number is pure imaginary  %2827%2Asqrt%282%29+%2B+4%29%2Ai.


I.e. a= 0, b= 27%2Asqrt%282%29+%2B+4.


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The answer won't change, no matter how many times you post it.