Algebramedium · Past Paper
If x^2 + 5x + 6 = 0, find the value of (1/α + 1/β) where α, β are roots.
A-5/6
B5/6
C-6/5
D1
✓ Correct Answer: A — -5/6
1/α + 1/β = (α+β)/αβ = (-5)/6.
Share this question
More from Algebra
- Find the value of x: -2x = 10.
- Factorize 2x^2 + x - 6.
- A two-digit number is such that the sum of its digits is 9. If the digits are interchanged, the number increases by 9. Find the number.
- Find the values of x and y that satisfy: 4x + 6/y = 15 and 6x - 8/y = 14.
- What is the value of x in 2x/3 - (x-1)/6 = 1?