CBSE BOARD X, asked by Dhara19, 10 months ago

find the roots of the equation 21y³-11y-2=0

Answers

Answered by mehrotrarajeev06

1

Answer:

Explanation:21y^3-14y+3y-2

7y(3y-2) 1(3y-2)

(7y+1) (3y-2)

so, y = -1/7

and y = 2/3

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