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Maths Puzzle
Numerical Ability
Let f= 1 2 3 4 5
2 3 1 5 4
and
g= 1 2 3 4 5
3 4 2 5 1.
What is f inverse -1?
Write fog as a product of disjoint cycles.Is fog even?why?
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Q. If one complex zero of a quadratic equation is 2 + i, what is the quadratic equation in ax^2 + bx + c = 0
thanks, Mike
Please help me solve this of x:
x^2=-5x-3 -------the +- means there is a + sign with a - under it
A)x=5+-sqrt13/2
B)x=5+-sqrt13
C)x=-5+-sqrt13/2
D)x=-5+-sqrt13
Please show me how you worked this out...thanks