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What is the product of zeros of the polynomial x^{3}-2 x^{2}-7 x+14

Option: 1

2


Option: 2

3


Option: 3

-7


Option: 4

-14


Answers (1)

best_answer

Compare the cubic polynomial with ax^3+bx^2+cx+d

We get, a = 1, b = -2, c = -7 and d = 14 

 

product of zeroes (αβγ) =-\frac{\text { Constant term }}{\text { Coefficient of } x^{3}}=-\frac{d}{a}

 

So product of zeros = -14/1 = -14

Posted by

Ritika Kankaria

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