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 If the Roller Coaster is represented by the cubic polynomial

t(x)= px 3 + qx 2 + rx + s ,then which of the following is always true

(a) s ≠ 0   (b) r ≠ 0   (c) q ≠ 0   (d) p ≠ 0

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Question 48 If the Roller Coaster is represented by the cubic polynomial t(x)= px3 + qx2 + rx + s ,then which of the following is always true (a) s ≠ 0 (b) r ≠ 0 (c) q ≠ 0 (d) p ≠ 0 Since t(x) = px3 + qx2 + rx + s is a cubic polynomial Value of p can never be zero ∴ p ≠ 0 So, the correct answer is (d)

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.