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Monthly Archives: November 2022
When we can cancel common factors in mod equality ?
Posted in Abstract Algebra, Combinatorics, Modular Arithmetic
Tagged Discrete Math, insight
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IB SL 2022, Q9 on Probability
A biased four-sided die with faces labelled and is rolled and the result recorded. Let be the result obtained when the die is rolled. The probability distribution for is given in the following table where and are the constants.
IB SL 2022, Q8 on intersection of functions and area under curve
Consider the functions for and for all .
IB SL 2022, Q5 on least positive value of x for which cos(x/2+pi/2_=1/sqrt(2)
Find the least positive value of x for which
IB Kinematics
The acceleration of a body is given in terms of the displacement meters as . (a). Give a formula for the velocity as a function of the displacement given that when meter, m/s. (b). Hence find the velocity when the … Continue reading
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