product of two roots of the equation m²- 8m + 15 = 0 is
15121115anil:
product of roots = c/a => 15/1 = 15
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Answered by
7
m² - 8m + 15 = 0
m² - 3 m - 5m + 15 = 0
m(m - 3) - 5(m - 3) = 0
m = 3,5
Answered by
3
By the factorisation method,
m²-8m+15=0
m²-3m-5m+15=0
m(m-3)-5(m-3)=0
(m-3) (m-5)=0
m= 3 OR m= 5 is the solution.......
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