Find all the zeros of the function. y=x^4 -6x^2 +8

The zeroes of the given equation are x = √2 , -√2 , 2 , -2.

Step-by-step explanation:

The given quadratic equation is y =

To find the zeroes , put y = 0.

= 0

Put =t

The new equation is

On factorising ,

Hence t = 2 or t = 4

On resubstituting the value of t in terms of x ,

= 2 or = 4

Taking square root of above equation , we get

x = √2,-√2,2,-2

These are the 4 roots of the given equation .

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step-by-step explanation:

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step-by-step explanation:

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