Solve the following inequality: 2x^2 < x+3
2x2 < x+3, 2x2- x - 3 < 0, (2x - 3) (x + 1) < 0, Positive quadratic. Roots: x = -1 and x = 3/2, Therefore, x takes values greater than -1 and less than 3/2.
OM
Answered by Olia M. • Further Mathematics tutor
4082 Views
See similar Further Mathematics A Level tutorsRelated Further Mathematics A Level answers
All answers ▸Prove that ∑(1/(r^2 -1)) from r=2 to r=n is equal to (3n^2-n-2)/(4n(n+1)) for all natural numbers n>=2.
What is a complex number?
Solve this equation: x^2 + 2x + 2
Using graphs, show how the Taylor expansion can be used to approximate a trigonometric function.