if alpha and beta are zeros of polynomial P of x is equal to X square + X - 1 then find the value of one upon alpha plus one upon beta
Answers
Answered by
21
Answer:
1
Step-by-step explanation:
α and β are roots of the equation
p(x) = x² + x - 1
a = 1, b = 1 c = -1
Sum of roots, α + β = -b/a = -1/1 = -1
product of roots = c/a = -1/1 = -1
Now,
1/α + 1/β = α + β / αβ = -1 / -1 = 1.
Answered by
12
The required result is 1
Step-by-step explanation:
Given: α and β are the zeroes of the quadratic polynomial
To find:
Therefore
As we know the standard quadratic polynomial is of the form
By comparing we get
a= 1, b=1 , c= -1
Now as we know
Now
Hence , the required result is 1
#Learn more
If alpha , beta are the zeros of polynomial x2+x+1 then find
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