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mr_godi [17]
2 years ago
7

Which term of the Ap: 9,8,13,18.......is 79?Please don't post invalid answer..!!​

Mathematics
1 answer:
GalinKa [24]2 years ago
4 0

a {}^{n}  = 79

n =  ?

a = 3

79 = 3 + (n - 1) \times 5

76 = 5n - 5 \\ 81 = 5n \\ n = 16.2

16.2 is the answer

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We want to solve the equation:

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first, we can rewrite this as:

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And we can write m as:

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Replacing that in the above equation we get:

3*(a + b*i)*i = -17 + 27*i

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