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Sphinxa [80]
3 years ago
7

Which of the following is a geometric sequence

Mathematics
2 answers:
Readme [11.4K]3 years ago
8 0
The answer is B. 2,4,8,16,32...
mel-nik [20]3 years ago
3 0
B.) 2,4,8,16,32 is the geometric series as the common ratio is equal for each step
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8 0
3 years ago
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(sin teta + sec teta)^ + (cos teta+ cosec teta )^ = (1 + sec x cosec)^
ArbitrLikvidat [17]
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=1+\frac{2sin^2\theta+2cos^2\theta}{sin\theta\ cos\theta}+\frac{sin^2\theta+cos^2\theta}{sin^2\theta\ cos^2\theta}\\\\=1+\frac{2(sin^2\theta+cos^2\theta)}{sin\theta\ cos\theta}+\frac{1}{sin^2\theta\ cos^2\theta}\\\\=1+\frac{2}{sin\theta\ cos\theta}+\frac{1}{sin^2\theta\ cos^2\theta}\\\\=1^2+2sec\theta\ cosec\theta+sec^2\theta\ cosec^2\theta\\\\=(1+sec\theta\ cosec\theta)^2=R
4 0
3 years ago
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