stzayas14 stzayas14

21-01-2018
Mathematics

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Given the functions y = 3x^3 + 6x and x = 2t^2 + t, find dy/dt

Given the functions y 3x3 6x and x 2t2 t find dydt class=

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Edufirst Edufirst

21-01-2018

The answer is the option A.

dy        dy         dx
---- = ------- .   -------
dt         dx         dt

dy
---- = 9x^2 + 6
dx

dx
---- = 4t + 1
dt

=> dy / dt = (9x^2 + 6) (4t + 1)

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