If the product of two zeroes of the polynomial 2x3+6x2-4x+9 is 3 then find its third zero.
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26
Hey
The given polynomial is :-
2x³ + 6x² - 4x + 9 .
Product of it's two zeroes
= 3 .
Now ,
we know that ,
product of three zeroes of pynomial
= - d / a
A / q
3 * @ = - 9 / 2
=> @ = - 9 / 6
=> @ = - 3 / 2 .
So , the third zero is = - 3 / 2
thanks :)
The given polynomial is :-
2x³ + 6x² - 4x + 9 .
Product of it's two zeroes
= 3 .
Now ,
we know that ,
product of three zeroes of pynomial
= - d / a
A / q
3 * @ = - 9 / 2
=> @ = - 9 / 6
=> @ = - 3 / 2 .
So , the third zero is = - 3 / 2
thanks :)
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1
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