Question

the sum and the product of the roots of the quadratic equation x2 + 20x + 3 = 0 are

Answer 1

solution:- x^2+ 2x + 3 = 0

Solution :

Comparing

x^2 +20x + 3 = 0

and

ax^2 + bx + c = 0

we get

a = 1, b = 20 and c = 3

Therefore,

Sum of the roots = -b/a

= -(20)/1 = - 20

Product of the roots = c/a

= 3/1 = 3

i hope it helps you...

Answer 2

Step-by-step explanation:

x²+20x+3=0......................(1)

Comparing the equation (1) by ax²+bx+c=0

a=1 b=20. c=3.

$\alpha + \beta = \frac{-b}{a}$

$\alpha + \beta = \frac{ - 20}{1}$

$\alpha + \beta = - 20$

$\alpha \times \beta = \frac{c}{a}$

$\alpha \times \beta = \frac{3}{1}$

$\alpha \times \beta = 3$

Hence,

$\alpha + \beta = - 20$

$\alpha \times \beta = 3$

Hope it help u ❣️

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