find the value of m if one root of equation 2x2-8x-m=0 is 5/2 ,find m and the other zero
Answers
Answered by
2
Heya !!!
Given that,
5/2 is one zero of the given polynomial 2X² -8X - M.
P(X) = 2X² - 8X - M = 0
P(5/2) = 0
2 × (5/2)² - 8 × 5/2 - M = 0
2 × 25/4 - 20 - M = 0
25/2 - 20 - M = 0
25 - 40 - 2M = 0
-2M - 15 = 0
-2M = 15
M = -15/2
★ HOPE IT WILL HELP YOU ★
Given that,
5/2 is one zero of the given polynomial 2X² -8X - M.
P(X) = 2X² - 8X - M = 0
P(5/2) = 0
2 × (5/2)² - 8 × 5/2 - M = 0
2 × 25/4 - 20 - M = 0
25/2 - 20 - M = 0
25 - 40 - 2M = 0
-2M - 15 = 0
-2M = 15
M = -15/2
★ HOPE IT WILL HELP YOU ★
Similar questions