Polynomial Equations

IMPORTANT

Polynomial Equations: Overview

This topic covers concepts such as Polynomial Equation, Roots of a Polynomial Equation, Nature of Roots of Higher Degree Equation, Zeros of a Polynomial, Zeroes of the Zero Polynomial, Zeroes of Constant Polynomials, Zero of Linear Polynomials, etc.

Important Questions on Polynomial Equations

MEDIUM
IMPORTANT

If x, y, z are all real numbers and x2+y2+z2=2x-y-z-3, then the value of 2x-3y+4z is:

HARD
IMPORTANT

If a2+b2+c2=2a-b-c-3, then the value of a+b+c is:

MEDIUM
IMPORTANT

Let, fx=xn+5xn-1+3,n>1 is an integer. Prove that fx cannot be expressed as a product of two polynomials, each of which has all its coefficient integers and degree at least 1 

MEDIUM
IMPORTANT

Prove that 16x3-35x2+105x+175 is irreducible over Z.

HARD
IMPORTANT

Show that x4+x3-x+1 is irreducible over Z.

MEDIUM
IMPORTANT

Let P(x) be a polynomial such that x·P(x-1)=(x-4)P(x)xR Find all such P(x).

MEDIUM
IMPORTANT

What is Diophantine equation?

HARD
IMPORTANT

State and prove Gauss’s Lemma theorem.

EASY
IMPORTANT

Find the integral roots of the polynomial f(x)=x3+6x2+11x+6

MEDIUM
IMPORTANT

A polynomial of odd degree with real coefficients must have -

MEDIUM
IMPORTANT

If x-3 and x+3 are the factors of 4x3+ax2+bx, then the values of a and b are respectively -

MEDIUM
IMPORTANT

If fx=2x3+mx2-13x+n and 2,3 are roots of the equation fx=0, then the values of m and n are

HARD
IMPORTANT

Let Px=a0+a1x+a2x2++anxn be a polynomial in which ai is a non-negative integer for each i0,1,2,3,,n. If P1=4 and P5=136, then P3 is

EASY
IMPORTANT

The zeros of a polynomial depends on the

EASY
IMPORTANT

What Is Meant by Zeros of Polynomial?

MEDIUM
IMPORTANT

The number of real roots of the equation x2+13x3+x2+13x=0(x0) is

EASY
IMPORTANT

The polynomial 9 has no zero.

EASY
IMPORTANT

Zero of the polynomial 3 is 1.

EASY
IMPORTANT

Find the zero of the polynomial: 3

EASY
IMPORTANT

The zero of the polynomial 2 is 12.