Find the values of 'a'and 'b',if the points `(3,2),(-1,-2)`lie on the locus `ax+by=5`

Find the value of the determinants: |{:(2, 5),(-1,3):}|

Find the value of determinant. |(3,-4,5),(1,1,-2)(2,3,1)|

Find the value of determinant. |(3,-4,5),(1,1,-2),(2,3,1) |

Select and write the correct answer from the given alternatives in each of the following:If (2,-6) and (-3,-5) lie on the locus ax+by=1 ,then a and b are

Find the equation of locus of the point P,if the points A(1,2),B(3,4) are at equal distance from P.

Find the value of y if the distance between the points A (2,-2) and B(-1,y) is 5 .

Answer the following questions.Find the value of k.The point P(1,k) lies on the line passing through the points A(2,2) and B(3,3)

If the plane passing through the points (1,2,3),(2,3,1) and (3,1,2) is ax+by+cz=1 then a+2b+3c=