If a and b are the zeroes of the polynomial f(x)=x²-5x+k such that a-b=1,find the value of k

If a and b are the zeroes of the polynomial f(x)=x²-5x+k such that a-

1.	If a and b are the zeroes of the polynomial f(x)=x²-5x+k such that a-b=1,find the value of k
Answer» Can anyone help to understand I didn\'t itIt is the example 13 of R.D.Sharma chapter polynomials Solve in notebook