Question

what is the value of 5^-1 —6^-1​

Answer 1

Answer:

1

Step-by-step explanation:

5-1-6-1  

= 4-6-1  

= 2-1

=1

Answer 2

Answer:

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Step-by-step explanation:

$5 {}^{( -1)} - {6}^{( -1 )} \\ \\ \frac{1}{ {5}^{ \: 1} } - \frac{1}{ {6}^{ \: 1} } \\ \\ \frac{1}{5} - \frac{1}{6} \\ \\ taking \: \: lcm \\ \\ \frac{1 \times 6}{5 \times 6} - \frac{1 \times 5}{ 6 \times 5} \\ \\ \frac{6}{30} - \frac{5}{30} \\ \\ \frac{ 6 - 5}{30} \\ \\ \frac{1}{30} \\ \\ = {30}^{( - 1)}$