[" 10.if the straight lines "x=1+s,y=-3-lambda s,z=1+lambda s" and "x=(t)/(2),y=1+t,z=],[" sand trespectively are coplanar then "lambda" equals- "]

If the straight lines x=1 +s,y=-3 -lambdas,z=1+lambdas and x=(t)/(2) ,y=t ,z=2-t with parameters s and t respectively are co planar then lambda =

If the straight lines x=1+s,y=-3-lambda s,z=1+lambdas and x=(1)/(2),y=1+t,z=2-t ,with parameters s and t respectively,are co-planar then lambda .Equals

If the straighat lines x=1+s,y=-3-lamdas,z=1+lamdas and x=t/2,y=1+t,z=2-t with parameters s and t respectively, are coplanar, then lamda equals (A) -1/2 (B) -1 (C) -2 (D) 0

If the straighat lines x=1+s,y=-3-lamdas,z=1+lamdas and x=t/2,y=1+t,z=2-t with parameters s and t respectively, are coplanar, then lamda equals (A) -1/2 (B) -1 (C) -2 (D) 0

If the straighat lines x=1+s,y=-3-lamdas,z=1+lamdas and x=t/2,y=1+t,z=2-t with parameters s and t respectively, are coplanar, then lamda equals (A) -1/2 (B) -1 (C) -2 (D) 0

If the straight lines x=-1+s,y=3-lambda s,z=1+lambda s and x=(t)/(2),y=1+t,z=2-t with paramerters s and t, respectivley,are coplanar,then find lambda

If the straight lines x=-1+s ,y=3-lambdas ,z=1+lambdasa n dx=t/2,y=1+t ,z=2-t , with parameters s and t , respectively, are coplanar, then find lambdadot