Question

Soniya and Anuj are students of class X and they given a polynomial such that ""If one zero of the polynomial 3x2 – 8x + 2k + 5 is four times the other 4x2 – 12x + 3k + 8.

Answer 1

Step-by-step explanation:

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Answer 2

We recall the concept of the sum of zeroes

Sum of zeroes of a quadratic equation is $-\frac{b}{a}$

Let $A,B$ be the zeroes of $3x^{2}-8x+2k+5$
Given:

    $A=4B$

Sum of zeroes of quadratic equation

         $=-\frac{b}{a}$

$A+B=-\frac{b}{a}$

     $5B=-\frac{-8}{3}$

       $B=\frac{8}{15}$

       $A=\frac{32}{15}$