Question

if r=-3 and t6=1701 find a
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Answer 1

Given, r= -3 and t₆ = 1701

We have, tₙ= arⁿ⁻¹

or t₆ = ar⁶⁻¹

or 1701 = a(-3)⁵

or, 1701 = a × -243

or, a = 1701/-243

= -7 Ans.