Math, asked by kamakshisirimavilla, 9 months ago

In a G.P tn= (-1)" 2020. Find the common ratio​

Answers

Answered by amitnrw
0

-1 is common ratio if tₙ = (-1)ⁿ * 2020

Step-by-step explanation:

tₙ = (-1)ⁿ * 2020

Simply put n = 1 to get 1st term

t₁ = (-1)¹ ( 2020)

=> t₁ = -2020

Now put n = 2 to get 2nd term

t₂ = (-1)² ( 2020)

=> t₂ = 2020

Common ratio = t₂/t₁

= 2020/(-2020)

= - 1

-1 is common ratio

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