The sum of two roots of a quadratie equation is 5and sum of their cubes is 35 - Find the quadratic equation answer explaining me
Answers
Answered by
3
Step-by-step explanation:
Let the roots of our equation are a,b
we have sum of roots
a+b= 5. (eq1)
and
a³+b³=35
AND
using the above relation we can find the product of roots of the equations.
35=(5)³-3ab(5)
35=125-15ab
15ab=90
ab=6. (eq2)
HENCE Product of the roots of the equation.
using both equations 1 and 2
the required equation with the sun of roots 5 and product of roots 6.
ANSWER x²-5x+6=0
Similar questions
Social Sciences,
5 months ago
History,
5 months ago
English,
5 months ago
History,
11 months ago
Math,
11 months ago
Social Sciences,
1 year ago