6x / x²
the reciprocal of a number n is 
the reciprocal of
is 
The product of a number and it's reciprocal = 1
Answer:
-i
Step-by-step explanation:
i^15
Divide the exponent by 4
15/4 = 3 r 3
Take the remainder and use as the exponent
i^3
We know that i^2 = -1
i^3 = i^2 *i
i^3 = -1*i
-i
The solution would be the coordinates of (3a,a).
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