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10 January, 15:43

What is the equation for the nth term of the geometric sequence - 2,10,-50

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  1. 10 January, 15:51
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    x₍ₙ₎ = x₍₁₎ * (-5) ⁿ⁻¹

    Step-by-step explanation:

    x₍ₙ₎ = x₍₁₎ * (-5) ⁿ⁻¹

    x₍₁₎ = - 2

    x₍₂₎ = (-2) x (-5) ²⁻¹ = (-2) x (-5) = 10

    x₍₃₎ = (-2) x (-5) ³⁻¹ = (-2) x (-5) ² = - 50
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