the equation x^4+16x-12=0 has a.all the roots real b.all the roots complex c.two roots real and two roots complex D.all the roots integers

Question

Arun · Answer

Dear student f (0) = negative f(1) = positive f(2) = positive similarily f(3), f(4).... are positive hence one root between 0 and 1. now f(-1) = – ve f(-2) = negative f(-3) = positive f(-4), f(-5),..... are positive hence one root lies between -2 and -3. jphence only two real roots and other two roots are imaginary

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the equation x^4+16x-12=0 has a.all the roots real b.all the roots complex c.two roots real and two roots complex D.all the roots integers

the equation x^4+16x-12=0 has
a.all the roots real
b.all the roots complex
c.two roots real and two roots complex
D.all the roots integers

1 Answers

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the equation x^4+16x-12=0 has a.all the roots real b.all the roots complex c.two roots real and two roots complex D.all the roots integers

the equation x^4+16x-12=0 has a.all the roots realb.all the roots complexc.two roots real and two roots complexD.all the roots integers

1 Answers

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the equation x^4+16x-12=0 has
a.all the roots real
b.all the roots complex
c.two roots real and two roots complex
D.all the roots integers