Question

FIND VALUE OF (X‐¹+Y‐¹)​

Answer 1

$\sf{x {}^{ - 1} + y {}^{ - 1} } \\ \sf{ = \frac{1}{x} + \frac{1}{y} } \\ \sf{ = \frac{y + x}{xy} } \\ \sf{ \orange{ = \frac{x + y}{xy} \: or \: (x + y) {}^{ - xy} }}$

Note:

$\sf{ \blue{x {}^{ - y} = \frac{x}{x {}^{y} } }}$