Question

If(1,2),(_1,b)(_3,_4)are colliner ten find b

Answer 1

Answer:

LET X = [1,2]

Y = [-1,b]

Z = [-3,-4]

XY= XZ

[b-2] / [-1-1] = [-4-2] / [-3-1]

[b-2] / [-2] = [-6] / [-4]

b-2 = 3/2 × -2

b = -3 + 2

b = -1

Step-by-step explanation: