Q. 3 E4.1( 14 Votes )

Find the value of

Answer :





                                    = i10
     
                                    = i8 i2

                                   = (i4)2 i2

 Since i4 = 1, i2 = -1           
 
                                = (1)2 (-1)
  
                               = -1
                                   


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