Answer: √−1=i.
Step-by-step explanation: When we say that the square root of a negative number "doesn't exist", we mean that there is no real number solution. However, if we consider complex numbers, we then get a solution to √−1=i.
No; we have
. Substituting these into the DE gives

which reduces to
, true only for
.
Answer:
The last one.
Step-by-step explanation:
If n>4
Then n/4>7
I guess dis is the answer
The answer to the question is B.14 because 3 + 5 + 6