poojai
poojai poojai
  • 26-03-2020
  • Mathematics
contestada

Form the quadratic polynomial p(x) whose sum and product of the zeroes are 3 and 2/5.​

Respuesta :

devishri1977
devishri1977 devishri1977
  • 26-03-2020

Answer:

Step-by-step explanation:

x² - (α + β)x + αβ = 0

α+β= 3 +2/5

[tex]=\frac{3*5}{1*5}+\frac{2}{5}=\frac{15}{5}+\frac{2}{5}\\\\=\frac{17}{5}[/tex]

αβ=3*2/5 = 6/5

[tex]x^{2}-\frac{17}{5}x+\frac{6}{5}=0[/tex]

Multiply by 5

[tex]5*x^{2}-5*\frac{17}{5}x+5*\frac{6}{5}=0\\\\5x^{2}-17x+6=0[/tex]

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