Question

(1/2)-³+(1/3) -²+(1/4) -¹ Find the value. ​

Answer 1

Answer:

answer

Step-by-step explanation:

=

$(1 \div 8) {}^{ - 1} +( 1 \div 9) {}^{ - 1} + (1 \div 4) {}^{ - 1}$

$8 + 9 + 4$

21

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Answer 2

$( \frac{1}{2} )^{ - 3} + ( \frac{1}{3} ) ^{ - 2} + (\frac{1}{4} ) ^{ - 1} \\ = {2}^{3} + {3}^{2} + 4 \\ = 8 + 9 + 4 \\ = 21$