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[" Show that the points whose "P.V" are "bar(a)-2bar(b)+3bar(c),2bar(a)+3bar(b)-4bar(c),-7bar(b)+10bar(c)" are collinear "],[ABCD" is a pentagon "." If the sum of the vectors "bar(AB),vec AE,vec BC,bar(DC),bar(ED),bar(AC)" is "lambdabar(AC)" then "fi]

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S.T the points whose P.V are bar(a) - 2bar(b) + 3bar(c ), 2bar(a)+3bar(b)-4bar(c ), -7bar(b)+10bar(c ) are collinear.

ABCDE is a pentagon. If the sum of the vectors bar(AB),bar(AE), bar(BC), bar(DC), bar(ED), bar(AC) is lambda bar(AC) then find the value of lambda .

Show that the following vectors are linearly dependent bar(a)-2bar(b)+3bar(c), -2bar(a)+3bar(b)-4bar(c), -bar(b)+2bar(c)

Show that the points whose P,V are -2bar(a)+3bar(b)+5bar(c ), bar(a)+2bar(b)+3bar(c ) , 7bar(a)-bar(c ) are collinear, where bar(a),bar(b), bar(c ) are non-coplanar vectors.

The points 2bar(a)+3bar(b)+bar(c), bar(a)+bar(b), 6bar(a)+11bar(b)+5bar(c) are

Show that points with p.v bar(a)-2bar(b)+3bar(c ),-2bar(a)+3bar(b)-bar(c ),4bar(a)-7bar(b)+7bar(c ) are collinear. It is given that vectors bara,barb,bar c are non-coplanar.

Show that points with p.v bar(a)-2bar(b)+3bar(c ),-2bar(a)+3bar(b)-bar(c ),4bar(a)-7bar(b)+7bar(c ) are collinear. It is given that vectors bara,barb,bar c are non-coplanar.

If bar(a)+lamdabar(b)+3bar(c),-2bar(a)+3bar(b)-4bar(c),bar(a)-3bar(b)+5bar(c) are coplanar, then find value of lamda