CAT level question in Polynomials – 8
x^3 – 4x^2 + mx – 2 = 0 has 3 positive roots, two of which are p and 1/p. Find m.
Find m.
(a) 5 (b) –11
(c) 8 (d) –2
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Thank you sir for all these good questions
👍
Sir when u got one root 2 u could have directly substituted that in our eqn and obtained m.
Y not directly substitute 2 in the equation…As we know it would satisfy… Why to calculate p??