How would you check whether it is perpen...

How would you check whether it is perpendicular or not? Note that it passes through ‘P’ as required.

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The equation of the line perpendicular to the line x=3 and passing through (-4,2) is

`y=2`

`4x+5y-38=0`

`x=-4`

`3x+2y+4=0`

The equation of the line perpendicular to the line x = 3 and passing through (-4, 2) is

y=2

`4x+5y-38=0`

`3x-2y=0`

`3x-2y-1=0`

Moment of inertia of a straight wire about an axis perpendicular to the wire and passing through one of its end is I. This wire is now framed into a circle (a ring) of single turn. The moment of inertia of this ring about an axis passing through centre and perpendicular to its plane would be :

`((3)/(pi^(2)))I`

`((3)/(4pi^(2)))I`

`((pi^(2))/(3))I`

`((4pi^(2))/(3))I`