Math, asked by gurtejramgarhia1502, 7 months ago

The third zero of the polynomial x3 - 2x + 7x2 -14, if two of its zeroes are √2 and -√2

Answers

Answered by Naihrik
12

x³-2x+7x²-14 = 0

=> x(x²-2)+7(x²-2) = 0

=> (x²-2)(x+7) = 0

∴ x = ±√2, -7

∴ -7 is the third zero of the polynomial.

Answered by ananyadas06082006
1

Step-by-step explanation:

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