Question

if a and b are zeroes of polynomial x square - x + 4 find the value of 1/a + 1/b - ab​

Answer 1

Step-by-step explanation:

a + b = 1

ab = 4

Now , 1/a + 1/b - ab

(a + b)/ab - ab

(1/4) - 4

(1 - 16)/4

= -15/4