Hello : Question 1
the equation is :
hi guys i had an exam today and just wanted you guys to give me the correct answer for it so i can see how i went.
i'm sure its really easy for you guys
1) if and are the roots of the equation x^2 - 5x + 4 = 0 find
i) ii) iii) the equation with roots and
2) the curve has factors and and cuts the y-axis at . Find the values of a,b,c
3) Express in partial fractions in partial fractions.
4) Simplify , rationalising the denominator.
thanks for the help!
Hello, llkkjj24!
We know that: .1) if and are the roots of the equation: , find:
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
And we have: .
Since , then: .
The equation is: .the equation with roots and
. .
. . . . . . . . . . . . . .
. . . . . . . .
Therefore: .