the first term is 2 and the sum of the first five terms is one-fourth of the next five terms. Show that 20th term is –112.

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3. In an A.P., the first term is 2 and the sum of the first five terms is one-fourth of the next five terms. Show that 20th term is –112.
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3. In an A.P., the first term is 2 and the sum of the first five terms is one-fourth of the next five terms. Show that 20th term is –112. 3. In an A.P. the first term is 2 and the sum of the first five terms is one-fourth of the next five terms. Show [...]
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Tags: 3. In an A.P. , the first term is 2 and the sum of the first five terms is one-fourth of the next five terms. Show that 20th term is –112. ,