What are the solutions to the equation 2a^3-9a^2-4=0 ?

The solutions to the equation 2a^3-9a^2-4=0 are a\approx 4.59473…

Find the zeros of 2a^3-9a^2-4=0

The zeros of 2a^3-9a^2-4=0 are a\approx 4.59473…

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2 a^{3} - 9 a^{2} - 4 = 0

a \approx 4.59473 \dots

Solution steps

2 a^{3} - 9 a^{2} - 4 = 0

Find one solution for

2 a^{3} - 9 a^{2} - 4 = 0

using Newton-Raphson:

a \approx 4.59473 \dots

Apply long division:

\frac{2 a ^{3} - 9 a ^{2} - 4}{a - 4.59473 \dots} = 2 a^{2} + 0.18946 \dots a + 0.87056 \dots

2 a^{2} + 0.18946 \dots a + 0.87056 \dots \approx 0

Find one solution for

2 a^{2} + 0.18946 \dots a + 0.87056 \dots = 0

using Newton-Raphson:

No Solution for

a \in R

The solution is

a \approx 4.59473 \dots

(x - 2)^{3} = 64

m^{3} - 7 m - 6 = 0

(x - 2)^{3} = 27

e = (x + a) (x - a) (x^{2} + a^{2}) (x^{4} + a^{4}) + a^{8}

m^{3} - m^{2} - m + 1 = 0

What are the solutions to the equation 2a^3-9a^2-4=0 ?
The solutions to the equation 2a^3-9a^2-4=0 are a\approx 4.59473…
Find the zeros of 2a^3-9a^2-4=0
The zeros of 2a^3-9a^2-4=0 are a\approx 4.59473…