Math, asked by Shalini98381, 7 months ago

Q.8 A quadratic polynomial with 3 and 2 as the sum and product of its zeros respectively is

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Answered by Anonymous
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\bf\huge\blue{\underline{\underline{ Question : }}}

A quadratic polynomial with 3 and 2 as the sum and product of its zeros respectively is.

\bf\huge\blue{\underline{\underline{ Solution : }}}

Given that,

  • Sum and Product of zeroes of a Quadratic Polynomial are 3 and 2.

To find,

  • Quadratic Polynomial.

Let,

\tt\:\rightarrow Sum\:of\:the\:zeroes : \alpha + \beta = -\cfrac{b}{a}

\tt\:\rightarrow Product\:of\:the\:zeroes : \alpha  \beta = \cfrac{c}{a}

Now,

The form of a Quadratic Polynomial is :

 \orange{\bigstar}\boxed{\rm{\red{ x^{2} -(\alpha + \beta)x +\alpha\beta = 0 }}} \orange{\bigstar}

  • Substitute the zeroes.

\sf\:\implies x^{2} - (3)x + 2 =  0

\sf\:\implies x^{2} - 3x + 2 =  0

\underline{\boxed{\rm{\purple{\therefore Hence,\:the\:Quadratic\:Polynomial\:is\:x^{2}-3x+2=0.}}}}\:\orange{\bigstar}

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