Answer:
a=6 b=12
Step-by-step explanation:
i think i could be wrong
Answer:
The correct answer is option C , 4 + 9i
Step-by-step explanation:
A complex number is the one which has a real number and an imaginary number.
In all the example given , option C 4 + 9i has "i" which signifies the imaginary number which nothing but a negative square root.
On all of them sorry but if i dont know wich one to do then....