Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

SOLVE THE FOLLOWING QUESTIONS. 1. if x^2-5x+1=0 then value of x+1/x is____

2. if px^2+3x+q=0 has 2 roots.If x =-1 and x=-2..then value of q-p is___ 3.if a-3 =10/d then values of 'a' are___and___. 4. the value of k for which given quadratic eqn have equal roots..eqn=9x^2+8xk+8=0 is_______.

And we have to find out the value of a expression.

To solve these problems, we have to follow the steps below : a. Firstly, we have to find out the value of the unknown itself by solving the given equation.

b. Lastly, we have to put the value of unknown in the given expression, and simplify accordingly.