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the algebraic rule that tells you how each term is formed in an arithmetic sequence: common difference (d) = T2 – T1 = T3 – T2
a sequence with a constant second difference between consecutive terms has a quadratic general...
when working with a right-angled triangle and trigonometric ratios, the side next to the angle...
a periodic function is one that repeats after a given interval. The period is therefore the...
the common factor that contains the highest possible numerical value and the highest possible...