Math, asked by madhu1508, 7 months ago

18. If (x - 1) and (x + 2) are two factors of the
polynomial 2x^3 + mx^2 - x-n, then the value of
(m^2 - n^2) is
(1) -15
(2) 9
(3) -11
(4) 24

Answers

Answered by akhilpradeep2004

2

Answer:

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Step-by-step explanation:

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