Question

Find the value of: (i) [(4-1 - 5-1)-1 ] ÷ [ (52)3 x 5-5] (ii) [(1/4)-1 + (1/3)-2 - (1/2)-3 ] ÷ 52

Answer 1

(i) [(4-1-5-1)-1]÷[52(3)×5-5]

=[-3-1]÷[156×5-5]

=[-4]÷5(156-1]

=-4/(5×155)

=-4/775

(ii)[(1/4)-1+(1/3)-2-(1/2)-3]÷52

=[1/4+1/3-1-2-1/2-3]÷52

=[1/4+1/3-1/2-6]÷52

=[(3+4-6-72)/12]÷52

=--71/12×1/52

=-71/624

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