Consider the following variant of Buffon's needle problem (Example 3.1 1) ' which was investigated by Laplace. A needle of length I is dropped on a plane surface that is partitioned in rectangles by horizontal lines that are a apart and vertical lines that are b apart. Suppose that the needle's length I satisfies 1 < a and 1 < b. What is the expected number of rectangle sides crossed by the needle?

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step-by-step explanation:

π^°×{{€€

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

8/k

step-by-step explanation: