Math, asked by sweetgirl100, 1 year ago

Explanation need properly...​

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Answered by RohanBabhale
4

\blue{\bold{\underline{\underline{\boxed{answer}}}}} \:  \\ \: (x - y) ^{ - 1}  = ( \frac{ - 2}{7}  -  \frac{4}{7} ) ^{ - 1}  \\  = ( \frac{ - 6}{7}  ) ^{ - 1}  =  \boxed{ \frac{ - 7}{6} } \\ x ^{ - 1}  - y ^{ - 1}  =  \frac{ - 2}{7}  ^{ - 1}  -  \frac{4}{7} ^{ - 1}  \\  =  \frac{7}{ - 2}  -  \frac{7}{4}  =   \boxed{ \frac{ - 21}{4} } \\  \frac{ - 7}{6} is \: not \: equal \: to \:  \frac{ - 21}{4}  \\  \\ i \: hope \: this \: help \: you \\ mark \: it \: as \: brainliest

Answered by saivivek16
2

Step-by-step explanation:

Aloha !

 \text { This is Twilight Astro}

(x-y)-¹≠x-¹ - y-¹

If x=-2/7 & y= 4/7

(-2/7-4/7)-¹

= (-6/7)-¹

= -7/6

x-¹

= (-2/7)-¹

= -7/2

y-¹

= (4/7)-¹

= 7/4

x-¹ - y-¹

= -7/2-7/4

= -14-7/4

= -21/4

Therefore they are not equal

Thank you

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