If the ratio of the first 6 terms of a gp to the sum of the first 3 terms of the gp is 9 what is the common ratio of the gp
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formula for sum of nth term in GP (Sn)= a(rⁿ -1)/(r -1) ... The sum of the n term of two AP are 7n+1/4n+27 find ratio of their 11th term.
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· If the sum of first 6 terms of a g.p. is nine times of the sum of its first three terms, then its common ratio is. Ask for details ... a and common ratio be r. Given, S6 = 9 × S3......................m.....
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