Question

If the ratio of roots of x² + bx + c = 0 is equal to
ratio of roots of x² + qx + r = 0, then 1. r²c = qb²
2. br² = qc² 3. b²r = cq² 4. rc² =bq²


plz show step

Answer 1

http://solvethissum.blogspot.com/2014/08/ratio-roots-x2-px-q-equals-ratio-x2-rx-m-0-prove-mp2-qr2.html