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Vijay posted an Question
December 13, 2021 • 11:15 am 30 points
  • IIT JAM
  • Mathematics (MA)

Gt28. please send the solution to the problem given in the attachment.

GT28. please send the solution to the problem given in the attachment.

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    Navdeep goyal 1

    if e is an identity element in Z then a*e=a a.e/2=a e=2 option A

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    why not option d?

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    no a*1/2=a/4≠a so not option D

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    samaj nahi aaya pls explain it again?

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    a*e=a it you take e=1/2 then a*1/2=(a.1/2)/2=a/4≠a

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    mere wale tarike se "e" galat que aa raha hai?

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    Identity se inverse calculate karnete hai na ki inverse se inditity this ur mistake

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    par isme galat kya hai elemnt*elemntinverse = identity. isme kya galat hai sir?

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    ???

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    pahle identity calculate Karte hai fir inverse . aap ko ye pata kase laga ki a ka inverse a^-1 hai wo to multiple ke liye hota hai

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    for identity always use a*e=a

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    a^-1 toh maan ke chalte hai in general kewal multiplication ke liye he nahi ainverse toh kisi bhi operation ke liye hum maan ke chalte hai na sir.

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    but ye necessary nahi ki har operation ke liye b=a-1

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