6^-30-6^-31 please help
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6^-30 - 6^-31 = (1÷6^30) - (1÷ 6^31)
= taking lcm as 6^31
= (6-1) ÷ (6^31)
= 5 ÷ (6^31)
= taking lcm as 6^31
= (6-1) ÷ (6^31)
= 5 ÷ (6^31)
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