Question

(i) For quadratic equation
$10x {}^{2} + 10x + 1 = 0$
what is the value of
$\alpha + \beta$
?


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Answer 1

Answer:

see the attachment above

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Answer 2

$</p><p>\huge{\fbox{\fbox{\bigstar{\mathfrak{\blue{The \: Sum \: Af \: The \: Zeros \: Is \: -1. }}}}}}$

For A Quadratic Equation Of The Form:

F { X } = aX^2 + bX + c = 0

Sum of roots,

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

Product Of Roots ,

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

Hence In the Above Equation,

$\alpha \: + \: \beta = - 1$

$\alpha \beta \: = \: \frac{1}{10}$