चरघातांकी श्रेणी

चरघातांकी श्रेणी ( Exponential Series )

  • ex = 1 + x/1! + x2 /2! + x3/3! + …..
  • e = 1 + 1/1! + 1/2! + 1/3! + ….
  • e = 2.7182
  • e-x = 1 – x/1! + x2 /2! – x3/3! + …..
  • ex + e-x = 2 [ 1 + x2/2! + x4/4 + …..]