Option 2: 18-5i is the right answer
Step-by-step explanation:
Given
When there is a negative number in radical, a new complex number iota denoted by i is introduced which is equal to
So we will solve the given expression
Hence,
Option 2: 18-5i is the right answer
Keywords: Iota, complex numbers
Learn more about complex numbers at:
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Answer:
A, C and F
Step-by-step explanation:
According to exponent laws:
Therefore F needs to be checked
this can further be simplified into:
we square the denominator and numerator
therefore C should be checked
if we expand it will also look like :
so A should be checked
Step-by-step explanation:
Total number of Black cards is 26
Total number of cards having a ten is 4 out of which 2 are red
Number of favourable outcomes=28
TOTAL number of possible outcomes =52
Therefore the probability = 28/52 = 7/13
