Question

If - P-Q-R and d{p_9]2 d[0,8] = lo
then find d (9,8).​

Answer 1

Answer:

p, q, r → G.P q2 = pr .... (1) px2 + 2qx + r = 0 dx2 + 2ex + f = 0 common rootsCondn of common root : - (rd – Pf)2 = (4pe – 4qd)(4qf – 4er) r2d2 .