Answer:
I believe the correct answer is normal
Step-by-step explanation:
I^2 = -1
i = √-1
Substitute the value of i in the equation:
(4+2i)(6-ki)=30
{4 + (2)(√-1)} {6 - k (√-1)} = 30
( 4 + 2√-1)(6 -k√-1) = 30
24 - 4k√-1 + 12√-1 -2k (-1) =30
24 - 4k√-1 + 12√-1 +2k =30
-4k√-1+12√-1 + 2k - 6 =0
-2√-1(2k -6) + (2k-6) =0
(-2√-1 +1)(2k-6)=0
2k -6 =0
2k = 6
k= 3
So, the value of k is 3.
As I calculated the answer is the last option. If I made a mistake you can report me. I am not too sure.
648 in^3
Need more info! Sorry bub we can’t help answer
Answer:
All real numbers less than 0
Step-by-step explanation:
I think it's this one because greater than 0 is wrong
