Question

verifiy xX Cyt 2) = xx y + x - 2 by taking
2
7
and Z=-2
3
3
9
5.​

Answer 1

Solution : 

(i) 124⋅93⋅463⋅82⋅27124⋅93⋅463⋅82⋅27

=(22⋅3)4⋅(32)3⋅22(2⋅3)3⋅(23)2⋅33=(22⋅3)4⋅(32)3⋅22(2⋅3)3⋅(23)2⋅33

=28⋅34⋅36⋅2223⋅33⋅26⋅33=28⋅34⋅36⋅2223⋅33⋅26⋅33

=28+2−3−6⋅34+6−3−3=28+2-3-6⋅34+6-3-3

=2⋅34=162=2⋅34=162

(ii) 23⋅a3⋅5a423⋅a3⋅5a4

=23⋅a3⋅a4⋅5=23⋅a3⋅a4⋅5

=23⋅5⋅a3+4=23⋅5⋅a3+4

=8⋅5⋅a7=40a7=8⋅5⋅a7=40a7

answer