Question

The sum of two roots of the given equation is -35 . 2x^(3)-50x^(2)=80x+d Find the third root.

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Answer 1

Step-by-step explanation:

sum of the roots of cubic equation is given by

1 root+ 2 root + 3rd roof= -b/a

here b is coefficient of x² and a is coefficient of x³

-35 +3rd root = - (-50)/2 ( sum of 2 roots -35 already given )

3rd root = 25+35

=60