Question

1) If x=3 is a root of the equation x square - x + k=0, find the value of p so that the roots of the equation x square+ k ( 2x + k+ 2) +p = 0 are equal.


2) The total cost of a certain length of a piece of cloth is rupees 200. If the piece was 5m longer and each metre of cloth costs rupees 2 less, the cost of the piece would have remained unchanged. How long is the piece and what is its original rate per metre?

Answer 1

Therefore,the value of p is 3.