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The plane x-y-z=4 is rotated through an ...

The plane `x-y-z=4` is rotated through an angle `90^(@)` about its line of intersection with the plane `x+y+2z=4`. Then the equation of the plane in its new position is

A

`x+y+4z=20`

B

`x+5y+4z=20`

C

`x+y-4z=20`

D

`5x+y+4z=20`

Text Solution

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The correct Answer is:
(d)
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ARIHANT MATHS-THREE DIMENSIONAL COORDINATE SYSTEM-Exercise (Single Option Correct Type Questions)
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  13. Let veca=hati+hatj and vecb=2hati-hatk. Then the point of intersection...

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  14. The coordinates of the point P on the line vec r=( hat i+ hat j+ ha...

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