vpoon6739
28.06.2019 •
Mathematics
Brainliest goes to first correct answer, no steps neededif the roots of a quadratic equation are 1±√5, then the product of the roots is: a) -24b) -4c) 26
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Ответ:
b) -4
Step-by-step explanation:
The roots are (1-sqrt5) and (1+sqrt(5)
FOIL
first:1*1 =1
outer: 1 * sqrt(5) = sqrt(5)
inner -1*sqrt(5) = -sqrt(5)
last sqrt(5) * - sqrt(5) = -5
Add them together: 1+sqrt(5) - sqrt(5) -5 = -4
Ответ:
Option (a) is correct.
h = 63
Step-by-step explanation:
Given : Equation
We have to solve the given equation and choose the correct from from given options.
Consider the given equation
Multiply both side by 9, we get,
Simplify, we have,
Thus, h = 63
Option (a) is correct.