If `y=(a x+b)/((x-1)(x-4))` has a turning value at `(2,\ -1)` find `a\ &\ b` and show that the turning value is maximum.

If y=(ax+b)/((x-1)(x-4)) has a turning value at (2,-1) find a&b and show that the turning value is maximum.

If f(x)=(ax+b)/((x-1)(x-4)) has an extreme value at (2,-1) , find a and b and show that the extreme value is a maximum.

If y=(a x-b)/((x-1)(x-4)) has a turning point P(2,-1), find the value of a and b .

If y=(ax+b)/((x-1)(x-4)) has a maximum value at the point (2,-1) then

If y=(a x-b)/((x-1)(x-4)) has a turning point P(2,\ -1) , find the values of a and b and show that y is maximum at P .

If y=(ax-b)/((x-1)(x-4)) has a turning point P(2,-1), find the value of a and b and show that y is maximum at P.

If y=(ax-b)/((x-1)(x-4)) has a turning point P(2,-1), find the values of a and b and show that y is maximum at P.

y = (ax-b)/((x-1)(x-4)) has a turning point P (2,-1). Find the values of 'a' and 'b' and show that y is maximum at P.

If y = (ax + b)/((x-1)(x-4)) has a maximum value at the point (2, -1) then find the values of a and b.

A function y=(ax+b)/((x-1)(x-4)) has maximum or minimum at P(2,-1) then find a and b. Also show that y has maximum value at P.