Question

(x)/(y)=(((3)/(2))^(-2))/(((3)/(7))^(-1)) find (x^-3)/(y^(-3))

Answer 1

Answer:

Correct option is

D

91

Calculating: (−2−

3

i

)

3

=

27

(−6−i)

3

=

27

−198−107i

=

27

x+iy

Hence, y−x=198−107=91

Step-by-step explanation:

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