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telo118 [61]
3 years ago
14

Find the difference between the terms a10 of an arithmetic sequence and a geometric sequence, both of which

Mathematics
1 answer:
Nady [450]3 years ago
3 0

Answer:-288

Step-by-step explanation:

Given

First term a_0  is common for both AP and GP

For AP

a_2=4=a_0+2d---1

a_4=12=a_0+4d----2

From 1 & 2 we get

d=4

a_0=-4

a_{10} for AP

a_{10}=a_0+10d=-4+10\times 4=36

For GP

4=a_0r^2----3

12=a_0r^4----4

From 3 & 4 we get

3=r^2

r=\sqrt{3}

a_0=\frac{4}{3}

For a_{10}=\frac{4}{3}\times 3^5=324

AP_{a_{10}}-GP_{a_{10}}=36-324=-288

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