= ( 7 ) 10 ) - 10 ) POI 5. State the scalar equation for the plane r = (3,2,-1) + s(-1,2,3) + t(4,2,-1). S K = [ 4 + ) , 2 - 2 , -1 - 32 = (5, 01-4) = 7 5 0 -4 +r = ( 4 - 3, 2 - 2 , - 1 -1 7 = ( 1 10, - 21 0 - 2 using ( - 1 ,2, 3) = i (0 ) = ; 5(-2)- (-4) +* 20 Al - 01 + 10 j+ 0k o ( x + 1 ) + ( - 10 ) ( 4 - 20 + 0(2- 3) 20 vector eq. O ( X + 1 ) - 10 ( 4 - 2) + 0(2- 3) =0