Question

prove that:

$\frac{ {a}^{ - 1} }{ {a}^{ - 1} + {b}^{ - 1} } \: + \: \frac{ {a}^{ - 1} }{ {a}^{ - 1} - {b}^{1} } \: = \: \frac{2 {b}^{2} }{ {b}^{2} - {a}^{2} }$
please also give solution​

Answer 1

Answer:

hundred percent sure

Step-by-step explanation:

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Answer 2

Answer:

The poverty rate decreased in 1997 to 13.3 (± 0.3) percent, down from 13.7 (± 0.3) percent in 1996. The number of poor people in 1997, 35.6 (± 0.9) million, remained statistically unchanged from 1996. The number of poor and the poverty rate decreased for Blacks.

Step-by-step explanation:

The poverty rate decreased in 1997 to 13.3 (± 0.3) percent, down from 13.7 (± 0.3) percent in 1996. The number of poor people in 1997, 35.6 (± 0.9) million, remained statistically unchanged from 1996. The number of poor and the poveThe poverty rate decreased in 1997 to 13.3 (± 0.3) percent, down from 13.7 (± 0.3) percent in 1996. The number of poor people in 1997, 35.6 (± 0.9) million, remained statistically unchanged from 1996. The number of poor and the poverty rate decreased for Blacks.rty rate decreased for Blacks.v