If p and q are the roots of the equation X2 5x + 4 = 0 then find the - Maths - Quadratic Equations

Question

​If p and q are the roots of the equation X2– 5x + 4 =
0 then find the value of 1/p + 1/q - 2pq

Varun.Rawat · Accepted Answer

The given quadratic equation is ,x2 - 5x + 4 = 0Now, a = 1; b = -5; c = 4Now, p + q = -ba = 5Now, pq =ca =  4Now, 1p + 1q - 2pq=q + ppq - 2pq=54 - 2 ×4=54 - 8=-274

​If p and q are the roots of the equation X2– 5x + 4 = 0 then find the value of 1/p + 1/q - 2pq

If p and q are the roots of the equation X2– 5x + 4 = 0 then find the value of 1/p + 1/q - 2pq