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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
According to the sum, If there are 3 people in a room, we have to find the probability that they have birthdays in the same month.
probability is the chance of occurrence of an event. it lies between 0 to 1.
Here, the total possible outcome is 123.
Let the birthday of the first person be denoted as A and his birthday can be chosen in =12 ways.
For the other two persons, to have their birthdays in the same month the probability is 1.
So, the total possible favorable outcomes=12*1*1.
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