8.Find the value of `k`, if `(a/b)^(k-5) = (b/a)^(3k-5) ` a) 4 b) 8 c)`3/2` d) `5/2`

What is the value of (a+b)/(a-b) , if a/b=4? (a) 3/5 (b) 5/3 (c) 4/5 (d) 5/4

Find the value of k if the points A(8,1), B(3,-4) and C(2,k) are collinear.

A rod of fixed length k slides along the coordinates axes, If it meets the axes at A(a ,0)a n dB(0,b) , then the minimum value of (a+1/a)^2+(b+1/b)^2 (a) 0 (b) 8 (c) k^2+4+4/(k^2) (d) k^2+4+4/(k^2)

If the focus of the parabola x^2-k y+3=0 is (0,2), then a values of k is (are) (a) 4 (b) 6 (c) 3 (d) 2

If a : b=2:5, . find the value of (3a+2b)/(4a+b)

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

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

Find the value of k if the points A(2,\ 3),\ B(4,\ k)\ a n d\ C(6,\ 3) are collinear.

Find the value of k if the line 3x-4y=k is a tangent to x^(2)-4y^(2)=5

If x^2+x+1 is a factor of the polynomial 3x^3+8x^2+8x+3+5k , then the value of k is (a) 0 (b) 2/5 (c) 5/2 (d) -1