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1.Find the roots of X²-13x -14=
2. Find the derivative of 7x³



Sagot :

Answer:

1. (x - 14)(x + 1) = 0

x - 14 = 0 | x + 1 = 0

x = 14 | x = -1

2. dy/dx = 7(3)x²

dy/dx = 21x²