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A(-7 ,6, -3) ,B(7,-6,3)

DIRECTION RATIOS OF AB = ( -7-7, 6-(-6) , -3-3)

=(-14 , 12, -6)

=( 7, -6 ,3) OR (-7,6,-3

THE EQUATION OF LINE IS = 7 ( X -7) -6( Y+6) +3(Z-3)

= 7X-49-6Y-36+3Z-9

=7X-6Y+3Z-94=0 OR -7X+6Y-3Z+94 =0