Determine the coefficient ofx1° in the multinomial theorem expansion of (1+ æ² + æª + æ®)ª. O (4.30.2) + (4a0) + (6,10,) O (601,) + (s,20,) + (s,120) + (4,5,) + (2,30) O (6.10.2) + (,020) + (,210) + (4do) O (7,0,1) + (6,,) + (s,300) 8. O None of these.

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