Product of the zeros of -2x²+kx+6
Answers
Answered by
19
let
zeros of given eq^n. is a and b.
so product of zeros is
a×b= constant part/coefficient of x^2.
a×b=6/-2
=-3.
please feedback me this ans
Answered by
2
Answer:
Step-by-step explanation:
Let roots are α and β
αβ=32
=> α=32β.....(1)
Then
Product of roots = ca
=> αβ=6
=> 32ββ=6
=> β2=4
=> β=±2
Putting in (1) we get
α=±3
Now sum of roots = −ba
=> 3 + 2 = k or -3 + (-2) = k
=> k = 5 or k = -5
Similar questions
Chemistry,
7 months ago
History,
7 months ago
Physics,
1 year ago
India Languages,
1 year ago
Math,
1 year ago