fwfeas447 fwfeas447

15-11-2022
Mathematics

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The um of the firt two term of an exponential equence i 135 and the um of the third and the fourth term i 60. Goven that the common ratio i poitive,calculate:
(I)the common ratio and the firt term
(ii)the limit of the um of the firt n term a n become large
(III)the leat number of term for which the um exceed 240

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