sequences and series
the rth term of an arithmetic series is (2r-5)
(a)write down the first three terms
(b)state the value of the common difference
(c)show that Σ⌃n under sigma r=1 (2r-5)=n(n-4)
(a)write down the first three terms
(b)state the value of the common difference
(c)show that Σ⌃n under sigma r=1 (2r-5)=n(n-4)
Original post by marocboy_sofly
the rth term of an arithmetic series is (2r-5)
(a)write down the first three terms
(b)state the value of the common difference
(c)show that Σ⌃n under sigma r=1 (2r-5)=n(n-4)
(a)write down the first three terms
(b)state the value of the common difference
(c)show that Σ⌃n under sigma r=1 (2r-5)=n(n-4)
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