If eleven A.M.'s are inserted between 28 and 10, then find the num | Filo
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Class 11



Sequences and Series

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If eleven A.M.'s are inserted between and , then find the number of integral A.M.'s.

Solution: After inserting eleven A.M.s the new series would have a common diffference

Hence every even A.M. would be integral as it would be of the form 
where is an integer

Hence, integral A.M.'s.
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