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3 votes
LOOK AT PIC BELOW THX

LOOK AT PIC BELOW THX-example-1
LOOK AT PIC BELOW THX-example-1
LOOK AT PIC BELOW THX-example-2

1 Answer

5 votes

Answer:

C. He is not correct because the greatest exponent of the system is five so there must be five solutions, three of which must be multiplicities or complex.

Explanation:

We are given the equation
x^5=-2x^2 i.e.
x^5+2x^2=0.

So, we have a polynomial
x^5+2x^2 of degree 5.

Fundamental Theorem of Algebra states that 'An n-degree polynomial have 'n' number of roots'.

Thus, the equation
x^5+2x^2=0 have 5 roots.

As from the graph, we see that there are 2 real roots of the equation.

So, the other 3 roots must be complex.

Hence, the option C is correct.

User AntonAL
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