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mailtoarko

  • 2 years ago

a.) The roots of the equation ax^2 + bx + c =0 , where a belongs to real number , are two consecutive odd positive integers , then 1.) |b|<=4a 2.) |b|>=4a 3.) |b|=4a 4.) None of these Answer : 2 b.) The roots of the equation (3-x)^4 + (2-x)^4 = (5-2x)^4 are 1.) Two Real two imaginary 2.) All imaginary 3.) All Real 4.) None of these Answer : 1

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  1. mailtoarko
    • 2 years ago
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    please help someone

  2. joemath314159
    • 2 years ago
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    Do you know what the discriminant of a quadratic equation is? If your polynomial has 2 integer roots, what can you say about the discriminant?

  3. joemath314159
    • 2 years ago
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    Note, the discriminant is the part under the square root of the quadratic equation.

  4. mailtoarko
    • 2 years ago
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    @joe are u talking about question no 2 or 1

  5. joemath314159
    • 2 years ago
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    For number 1.

  6. mailtoarko
    • 2 years ago
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    yeah i know about the discriminant but cannot find the answer of question no 1

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