Answer:
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Explanation:
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2)
If p + 1, 2p - 10, 1-4p² are the three consecutiv terms of an arithmetic progression, find the possib values of p
(A) -4, 2 (B) -3, 4/11 (C)-11/4, 2 (D) 5, -3
Let's say x the first term, a the commun difference.
3)
A train moves from P to Q at an average speed 90km/h and immediately returns from Q to P through the same route at an average speed of 45km/h. F the average speed for the entire journey (A) 55 km/h (B) 60.00km/h (C) 67.50km/h (D) 75.00km/h
Let's say d the distance PQ, t1 the time going, t2 the time returning,
v the average speed:
4)
When a polynomial f(x) is divided by (2x -3), quotient is (x2 - x + 2), the remainder is -1. find
(A) 2x³ - 5x² + 7x-5 (B) 2x³ - 5x² + 7x - 7 (C) 2x³ 3x + 7 (D) 2x³-5x² - 7x-7