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Cartesian Product

Find the G.P....

Question

Find the G.P. if

(1) (a) T_n = 2 × 5⁽ⁿ⁻¹⁾

(b) T_n = 2 × 3⁽ⁿ⁻¹⁾

(c) T₇ = 243 and r = 3

(d)

(e)

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Solution

(a)

Thus, the G.P. is 2, 10, 50, 250 …

(b)

Thus, the G.P. is 2, 6, 18, 54 ...

(c) and

Thus, the G.P. is

(d) and

Thus, the G.P. is

(e) and

Thus, the G.P. is

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