Question

53. Ifa and B are the roots of the equation px? + qx +r=
0, then the equation whose roots are 2 a and 2 B is
(a) rx2 + 2px + 4q = 0
(b) qx? + px + 4r = 0
(c) px? + 2qx +4r = 0
(d) px? + 2rx + 4q = 0
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Answer 1

the answer is b ok. bye bye