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# Distance between Planes

MVCALC-GVJOEO

Which number is the closest to the distance between the parallel planes given by the equations:

$$4x + 6y - 8z - 10 = 0$$
$$6x + 9y -12z - 20 = 0$$

A

$5$

B

$0.31$

C

$5/29$

D

$\sqrt{261}$

E

$\sqrt{261}/5$