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Sonja [21]
2 years ago
6

What is the 20th term in the sequence 1/2, 2, 7/2, 5

Mathematics
1 answer:
Nitella [24]2 years ago
7 0
2-0.5=1.5
3.5-2=1.5
Therefore difference is 1.5=n
1.5n-1 is nth term
When n=20
=29
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Rewrite 2tan3x in terms of tanx
blsea [12.9K]
2\tan3x=2\tan(2x+x)=\dfrac{2\tan2x+2\tan x}{1-\tan2x\tan x}

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