Distance between two parallel planes `2x+y+2z = 8` and `4x + 2y + 4z + 5 = 0` is

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Q 1164045855.     Distance between two parallel planes `2x+y+2z = 8` and `4x + 2y + 4z + 5 = 0` is
JEE 2013 Mains
A

`5/2`

B

`7/2`

C

`9/2`

D

`3/2`

HINT

The distance between two parallel planes `ax+by+cz=d_1` and `ax+by+cz=d_2` is given by` (d_1-d_2)/sqrt(a^2+b^2+c^2)`

Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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