i^20+1
i= /2
i^2= -1
i^3= -i
i^4= 1
for every four it repeat itself.
4, 8, 12, 16, 20.
therefore i^20=1
1+1=2
Answer:
hope this helps.
C
Step-by-step explanation:
Because for a quadratic formula to be applicable..., x must be to the power of two(x^2)
8842