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Let a,b and c be in G.P. with common ratio r, where a≠0 and 0<r≤12. If 3a,7b and 15c are the first three terms of an A.P., then the 4th term of this A.P. is : |
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Answer» Let a,b and c be in G.P. with common ratio r, where a≠0 and 0<r≤12. If 3a,7b and 15c are the first three terms of an A.P., then the 4th term of this A.P. is : |
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