Mathematics, 20.08.2021 23:20, sti192

Evaluate 15
r
−
1
r
15

−1start fraction, 15, divided by, r, end fraction, minus, 1 when
r
=
5
r=5r, equals, 5.

Answers: 2

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Evaluate 15
r
−
1
r
15

−1start fraction, 15, divided b...