If the quadratic equation `2x^(2)+5x+1=0` has roots p and q,what is the value of the expression (2-p)(2-q)?

If the quadratic equation 4 x^ 2 - (p-2)x+ 1 = 0 has equal roots, then the value of 'p' are

If p,q are roots of the quadratic equation x^(2)-10rx -11s =0 and r,s are roots of x^(2)-10px -11q=0 then find the value of p+q +r+s.

The roots of the quadratic equation 4x^(2)-(5a+1)x+5a=0 , are p and q. if q=1+p, calculate the possible values of a,p and q.

Suppose that the quadratic equations 3x^(2)+px+1=0 and 2x^(2)+qx+1=0 have a common root then the value of 5pq-2p^(2)-3q^(2)=

If the roots of the quadratic equation x^(2)+px+q=0 are tan 30^(@) and tan15^(@) , then value of 2+q-p is

If p and q are roots of the quadratic equation x^(2) + mx + m^(2) + a = 0 , then the value of p^(2) + q^(2) + pq , is

If p and q are roots of the quadratic equation x^(2) + mx + m^(2) + a = 0 , then the value of p^(2) + q^(2) + pq , is