Have attached three questions

Asked by neilsgpac | 13th Jul, 2017, 08:33: PM

Expert Answer:

begin mathsize 16px style Solution space to space straight Q 30 straight T subscript straight n equals 2015 rightwards double arrow fraction numerator straight n left parenthesis straight n plus 1 right parenthesis over denominator 2 end fraction equals 2015 You space can space solve space this space to space get space the space value space of space straight n. Note colon Please space post space 1 space question space at space straight a space time. space Also comma space questions space posted space by space you space are space not space matching space with space ICSE space 8 space syllabus. end style

Answered by Rashmi Khot | 14th Jul, 2017, 09:49: AM

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