simplify and give reasons ????
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=3^-2/3 × (3^0-3^-1)
=(1/3^2)/3 × (1-1/3)
= (:a^0=1) (:a^-1=1/a)
=(1/9×1/3) × (3-1)/3
=(: by taking LCM)
=1/27 × 2/3
=2/81
=(1/3^2)/3 × (1-1/3)
= (:a^0=1) (:a^-1=1/a)
=(1/9×1/3) × (3-1)/3
=(: by taking LCM)
=1/27 × 2/3
=2/81
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