Phrases Quadratic Equations Previous Year Question Paper and Solution with PDF

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Phrases Previous Year Questions (PYQs)

Phrases Quadratic Equations PYQ

Qus : 1Phrases PYQ

If the equation

$|x^2 – 6x + 8| = a$ has four real solution then find the value of

$a$ ?

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Phrases Previous Year PYQPhrases NIMCET 2023 PYQ

Solution

Qus : 2Phrases PYQ

Between any two real roots of the equation

$e^x sin x = 1$ , the equation

$e^x cos x = –1$ has

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Phrases Previous Year PYQPhrases NIMCET 2023 PYQ

Solution

Qus : 3Phrases PYQ

Not Available

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Phrases Previous Year PYQPhrases NIMCET 2019 PYQ

Solution

Qus : 4Phrases PYQ

Let C denote the set of all tuples (x,y) which satisfy

$x^2 -2^y=0$ where x and y are natural numbers. What is the cardinality of C?

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Phrases Previous Year PYQPhrases NIMCET 2024 PYQ

Solution

Qus : 5Phrases PYQ

$\alpha , \beta$ are the roots of

$x^2-x-1=0$ and

$A_n=\alpha^n+\beta^n$ , the Arithmetic mean of

$A_{n-1}$ and

$A_n$ is

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Phrases Previous Year PYQPhrases NIMCET 2022 PYQ

Solution

Qus : 6Phrases PYQ

If the roots of the quadratic equation

$x^2+px+q=0$ are tan 30° and tan 15° respectively, then the value of 2 + p - q is

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Phrases Previous Year PYQPhrases NIMCET 2022 PYQ

Solution

Qus : 7Phrases PYQ

The quadratic equation whose roots are

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Phrases Previous Year PYQPhrases NIMCET 2018 PYQ

Solution

Qus : 8Phrases PYQ

For what value of p, the polynomial

$x^4-3x^3+2px^2-6$ is exactly divisible by

$(x-1)$

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Phrases Previous Year PYQPhrases NIMCET 2021 PYQ

Solution

Qus : 9Phrases PYQ

α, β are the roots of the an equation

$x^2- 2x cosθ + 1 = 0$ , then the equation having roots αn and βn is

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Phrases Previous Year PYQPhrases NIMCET 2017 PYQ

Solution

Qus : 10Phrases PYQ

The equation (x-a)³+(x-b)³+(x-c)³ = 0 has

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Phrases Previous Year PYQPhrases NIMCET 2017 PYQ

Solution

Let f(x) = (x – a)³ + (x – b)³ + (x – c)³.

Then f'(x) = 3{(x – a)² + (x – b)² + (x –c)²}

clearly , f'(x) > 0 for all x.

so, f'(x) = 0 has no real roots.

Hence, f(x) = 0 has two imaginary and one real root

Qus : 11Phrases PYQ

Let

and

be the roots f the equation

and

are the roots of the equation

, then the value of r,

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Phrases Previous Year PYQPhrases NIMCET 2018 PYQ

Solution

Qus : 12Phrases PYQ

If α≠β and

$\alpha^2=5\alpha-3,\beta^2=5\beta-3$ , then the equation whose roots are

$\frac{\alpha}{\beta}$ and

$\frac{\beta}{\alpha}$ is

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Phrases Previous Year PYQPhrases NIMCET 2021 PYQ

Solution

Qus : 13Phrases PYQ

$\alpha$ and

$\beta$ are the roots of the equation

$2x^{2}+ 2px + p^{2} = 0$ , where

$p$ is a non-zero real number, and

$\alpha^{4}$ and

$\beta^{4}$ are the roots of

$x^{2} - rx + s = 0$ , then the roots of

$2x^{2} - 4p^{2}x + 4p^{4} - 2r = 0$ are:

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Phrases Previous Year PYQPhrases NIMCET 2014 PYQ

Solution

Qus : 14Phrases PYQ

If x and y are positive real numbers satisfying the system of equations

$x^{2}+y\sqrt{xy}=336$ and

$y^{2}+x\sqrt{xy}=112$ , then x + y is:

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Phrases Previous Year PYQPhrases NIMCET 2014 PYQ

Solution

Qus : 15Phrases PYQ

The value of k for which the equation

$(k-2)x^{2}+8x+k+4=0$ has both real, distinct and negative roots is

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Phrases Previous Year PYQPhrases NIMCET 2015 PYQ

Solution

Qus : 16Phrases PYQ

Roots of equation are

$ax^2-2bx+c=0$ are n and m , then the value of

$\frac{b}{an^2+c}+\frac{b}{am^2+c}$ is

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Phrases Previous Year PYQPhrases NIMCET 2020 PYQ

Solution

Qus : 17Phrases PYQ

If a + b + c = 0, then the value of

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Phrases Previous Year PYQPhrases NIMCET 2020 PYQ

Solution

Qus : 18Phrases PYQ

$a, b, c$ are positive integers such that

$a^{2}+2b^{2}-2bc=100$ and

$2ab-c^{2}=100$ . Then the value of

$\frac{a+b}{c}$ is

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Phrases Previous Year PYQPhrases NIMCET 2015 PYQ

Solution

Qus : 19Phrases PYQ

$x^{2} + 2ax + 10 - 3a > 0$ for all x ∈ R, then

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Phrases Previous Year PYQPhrases NIMCET 2014 PYQ

Solution

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