(i)(7,-2);(5,1);(3,k)quad [" March "2009

In each of the following find the value of k for which the points are collinear. (i)" "(7," "2),(5," "1),(3," "k)(i i)" "(8," "1),(k ," "4)," "(2," "5)

Find the value of k, if (7,-2),(5,1) and(3,k) are collinear.

In each of the following find the value of k for which the points are collinear. (i) (7, –2), (5, 1), (3, k) (ii) (8, 1), (k, – 4), (2, –5)

Find the value of k for which the points (7,-2),(5,1) and (3,k) are collinear.

Find the value of k, if the points A(7,-2),B(5,1) and C(3,2k) are collinear.

In each of the following find the value of 'k',for which the points are collinear.(i)(7,-2),(5,1),(3,k)

If a=(1)/(7)(2hat(i)+3hat(j)+6hat(k)): b=(1)/(7)(6hat(i)+2hat(j)-3hat(k)): c=c_1hat(i)+c_2hat(j)+c_2hat(k) and matrix A=[[(2)/(7), (3)/(7), (6)/(7)], [(6)/(7), (2)/(7), -(3)/(7)], [c_1, c_2, c_3]] and A A^(T)=I , then c

If a=(1)/(7)(2hat(i)+3hat(j)+6hat(k)): b=(1)/(7)(6hat(i)+2hat(j)-3hat(k)): c=c_1hat(i)+c_2hat(j)+c_2hat(k) and matrix A=[[(2)/(7), (3)/(7), (6)/(7)], [(6)/(7), (2)/(7), -(3)/(7)], [c_1, c_2, c_3]] and AT^(T)=I , then c

If a=(1)/(7)(2hat(i)+3hat(j)+6hat(k)): b=(1)/(7)(6hat(i)+2hat(j)-3hat(k)): c=c_1hat(i)+c_2hat(j)+c_2hat(k) and matrix A=[[(2)/(7), (3)/(7), (6)/(7)], [(6)/(7), (2)/(7), -(3)/(7)], [c_1, c_2, c_3]] and AT^(T)=I , then c