Examlex
Determine whether the matrices are inverses.
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Nth Partial Sum
The sum of the first 'n' terms in a sequence, used in series calculations.
Geometric Sequence
A sequence in which each number following the first is generated by multiplying the former number by a fixed, nonzero factor, this factor is identified as the common ratio.
Partial Sum
The sum of a portion of a sequence of terms, or a method of summing certain numbers by grouping.
N Th
Referring to an unspecified member of a series or set.
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