L.sufiya khanam Asked a Question
October 27, 2020 2:52 pmpts 30 pts
why is answer option d , why is the answer taken positive
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  • Deepak singh
    see
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  • Mahendra devanda Best Answer
    because the first and second term of bn is 1 and after every term of sequence bn is positive so there is no term of bn which has negative value . therefore we choose positive valu...
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