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If the 6th term of an A.P. is equal to four times its first term and the sum of first six term is 75 ,find the first term and common difference. |
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Answer» If the 6th term of an A.P. is equal to four times its first term and the sum of first six terms is 75 then, the first term is 5 and the common difference is 3. A series of numbers that follow a specific patternis called an Arithmetic Progression. |
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