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PilotLPTM [1.2K]
4 years ago
15

In a geometric sequence, A1 = 0.3 and r=3.Find A12, to the nearest integer

Mathematics
1 answer:
soldi70 [24.7K]4 years ago
8 0

Step-by-step explanation:

We have,

First terms of geometric sequence, a = 0.3

Common ratio, r = 3

It is required to find the 12th term of a GP. The formula of the nth term is given by :

T_n=ar^{n-1}

Here, n =12

So,

T_{12}=0.3\times 3^{12-1}\\\\T_{12}=0.3\times 3^{11}\\\\T_{12}=53144.1

or

T_{12}=53144

So, the 12th term of the GP is 53144.

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sin²x + cos²x = 1 
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\frac{sin^2x}{cos^2x} + \frac{cos^2x}{cos^2x} = \frac{1}{cos^2x}

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Q = 7m + 3n

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<u>Remove the brackets</u>

That's

9m + 3n - 11 + m + 4n - 3

<u>Group like terms</u>

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The final answer is

<h3>10m + 7n - 14</h3>

Hope this helps you

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