simplify:

(6-1 - 8-1)-1 + (2-1 - 3-1 )-1

We have to evaluate:-

  • 1

(6-1 - 8-1)-1 + (2-1 - 3-1 )-1

= ( 1 / 61 - 1 / 81 )-1 + ( 1 / 21 - 1 / 31 )-1

= ( 4-3 / 24 )-1 + ( 3-2 / 6 )-1

= ( 1 / 24 )-1 + ( 1 / 6 )-1

= 1-1 / 24-1 + 1-1 / 6-1

=241 / 11 + 61 / 11

= 24 / 1 + 6 / 1

= 30 / 1

= 30 Ans

  • 2
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