There is few writing mistake At 14:02 D_10 shld be frm 901-1000 At 15:23 union of D_1 to D_9 will be frm {1,2,...,900} At 16:14 Series shld start frm 901 not 991. However the concept explained along with solving question is just ineffable
@mlsquare2Ай бұрын
Thanks a lot for pointing out the typo. Glad that it is useful for someone.