Considering there are 15 pool balls, (b), in the game of pool, and given a radius, (r). What is the volume, (V), of a rack in the game of pool?
You need to fix some issues: you only have one test working, you are rounding to 3 decimal places, and the last test case is false (it should give 502.655)
also you shouldn't use isequal when you use pi.
Replace NaNs with the number that appears to its left in the row.
convert matrix to single column
Find Out sum of principal diagonal element of given matrix
Decide whether determinant is zero.
Square a Number
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