Quadratic Equation with Complex Roots

IMPORTANT

Quadratic Equation with Complex Roots: Overview

This topic covers concepts such as polynomial, quadratic equation, solving a quadratic equation using Sridharacharya formula, and quadratic formula for imaginary roots.

Important Questions on Quadratic Equation with Complex Roots

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Find the value of k, if x-1 is a factor of 4x3+3x2-4x+k.

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1+m2x2+2 mcx+c2-a2=0 has equal roots if ________.

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What is the value of k that (2x-1) may be a factor of 4x4-(k-1)x3+kx2-6x+1 ?

EASY
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If p and q are the roots of the polynomial px=ax2+bx+c,the polynomial gx whose roots are 1p and 1q will be?

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What is the solution of the equation xx+3-x+3x=-32?

EASY
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Which of the following equations has real roots?

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The roots of equation y3+y2-y-1=0 are

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If one root of the quadratic equation ax2+bx+c=0 is equal to nth power of the other root, then the value of acn1n+1+anc1n+1 is equal to

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The system of linear equations x+2y+z=4, 2 x+4y+2z=8 and 3x+6y+3z=10 has

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α and β are distinct real roots of the quadratic equation x2+ax+b=0. Which of the following statements is/are sufficient to find α?

1. α+β=0, α2+β2=2

2. αβ2=-1, a=0

Select the correct answer using the code given below :

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Solve the following quadratic equation 2x2+3ix+2=0

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If a and b are the roots of the equation x2-7x-1=0, then the value of a21+b21+a17+b17a19+b19 is equal to

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For what values of m, is mx2+mx+8x+9 a perfect square?

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Consider the following statements in respect of the polynomial 1-x-xn+xn+1, where n is a natural number:

It is divisible by 1-2x+x2.

It is divisible by 1-xn.

Which of the statements given above is/are correct?

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Consider the following statement in respect of the polynomial a(b-c)(x-b)(x-c)+b(c-a)(x-c)(x-a)+c(a-b)(x-a)(x-b):

1. The coefficient of x2 is 0.

2. The coefficient of x is (a-b)(b-c)(c-a).

Which of the statements given above is/are correct?

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The number of real roots of the equation xx-5x+2+6=0, is

EASY
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The number of solution equation xx-5x+2+6=0 is:

MEDIUM
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Let a and b are roots of x2-7x-1=0, then the value of a21+b21+a17+b17a19+b19 is

HARD
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The sum of roots of x2-8x+15-2x+7=0 is

MEDIUM
IMPORTANT

Solve the following quadratic equation 2x2+3ix+2=0