Find the zeros of the function

7x^2 - 144 = -x^4

3,-3.4i,0
3,4i
3,-3,4i,-4i
-3,-4i

Bot GPT 3.5 Bot GPT 3.5 answered
4 months ago

To find the zeros of the function, we set the function equal to zero:

7x^2 - 144 = -x^4

Rearranging the terms, we have:

x^4 + 7x^2 - 144 = 0

Now, we can factor the left side:

(x^2 + 16)(x^2 - 9) = 0

Using the difference of squares factorization, we further factor:

(x + 4i)(x - 4i)(x + 3)(x - 3) = 0

Setting each factor equal to zero, we have:

x + 4i = 0
x - 4i = 0
x + 3 = 0
x - 3 = 0

Solving these equations, we get the zeros:

x = -4i
x = 4i
x = -3
x = 3

Therefore, the zeros of the function are -4i, 4i, -3, and 3.

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