Question

If the curve y =(ax+ b) / (x-4)(x-1) has extreme value at (2, -1), then the value of 15(5a + 7b) is equal to​

Answer 1

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