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Bidisha shit Asked a Question
December 9, 2020 9:42 ampts 30 pts
  • IIT JAM
  • Mathematics (MA)

Find the coefficient of x80 in the power series (1+x+ x+ x3 + x +.) (x2 +x + x+x+.) (1 + x +x)? (a) 110 (b) 120 (c) 115 (d) 125

Sir please explain this . . . . . . . . . . . ......
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  • Deepak singh Best Answer
    Refer attachment , option c is correct
    • Adobe Scan 08-Dec-2020 (1).pdf
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