I need help in algebra
2 answers:
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We could do it by first writing
so that
and since , we have
# # #
Alternatively, we can just compute the product and take it mod 4:
and so we get the same result of 1.
Check the picture below
notice, if the "r" and "h" is the same for both, the cone's volume is just 1/3 of the cylinder's
notice, if the "r" and "h" is the same for both, the cone's volume is just 1/3 of the cylinder's