How do you simplify i^-3?
2 Answers
Apr 4, 2016
Explanation:
this is the correct explanation.
Rationatise the denominator by multiplying the numerator and denominator by
Sep 3, 2016
Explanation:
First, note that:
i^4=(sqrt(-1))^4=(sqrt(-1))^2(sqrt(-1))^2=(-1)(-1)=1
Also, using the rule
i^-3=1/i^3
Multiply it by
1/i^3*i/i=i/i^4=i/1=i