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13-03-2020
Mathematics

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If f(1) = 8 and f(n) = 5f * (n - 1) - 2 then find the value of f(3) .

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MathPhys MathPhys

14-03-2020

Answer:

188

Step-by-step explanation:

f(1) = 8

f(n) = 5 f(n−1) − 2

f(2) = 5 f(2−1) − 2

f(2) = 5 f(1) − 2

f(2) = 5 × 8 − 2

f(2) = 38

f(3) = 5 f(3−1) − 2

f(3) = 5 f(2) − 2

f(3) = 5 × 38 − 2

f(3) = 188

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