Question

find the value of : (11^-1+12^-1+13)-1​

Answer 1

Step-by-step explanation:

Mark me as brainliest please friends

Answer 2

Question:-

${( {11}^{ - 1} + {12}^{ - 1} + 13) }^{ - 1}$

Required Formula:-

${a}^{ - m} = \frac{1}{ {a}^{m} }$

$( {a}^{m} )^{n} = {a}^{mn}$

Solution:-

By using the formula

$(( {11}^{ - 1 \times - 1}) + ( {12}^{ - 1 \times - 1} ) + {13}^{ - 1} )$

$( {11}^{1} + {12}^{1} + \frac{1}{13} )$

$(23 + \frac{1}{13} )$

$( \frac{299 + 1}{13} )$

$\frac{230}{13}$