The denominator of the second fraction is the difference of squares, so can be factored using the formula for that.
(n^2 -4) = (n -2)(n +2)
Now, you will note that the second fraction has a numerator that is equal to one of the factors in the denominator. In other words, the whole fraction can be simplified to ...
(n +2)/((n +2)(n -2)) = 1/(n -2) . . . . with the restriction n≠-2
This reduced form of the fraction has the same denominator as the first fraction, so you can say that the lowest common denominator is that: (n -2).
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If there is some reason you don't want to reduce the second fraction, the lowest common denominator will be (n -2)(n +2).
Answer:
-121
Step-by-step explanation:-11×11=-121.
You roll a fair 666-sided die. What is \text{P(roll less than 4})P(roll less than 4)start text, P, (, r, o, l, l, space, l, e, s
seraphim [82]
Answer:
Therefore,
Probability for getting a number less than 4 is
Step-by-step explanation:
Given:
Let the Experiment be of rolling a 6 sided,
Let the sample space of the above experiment be S,
S = { 1, 2, 3, 4, 5, 6 }
n(S) = 6
Let A be the event of getting a number less than 4,
A = { 1 , 2, 3, }
n(A) = 3
Then the probability for getting a number less than 4 is given by.
Substituting the values we get
Therefore,
Probability for getting a number less than 4 is
* base * vertical height
