Question

What is the value of (a^b-b^a) if a = 2 and b =(-3)​

Answer 1

Answer:

$({a}^{b} - {b}^{a} )$

$( {2}^{ - 3} + {3}^{2} )$

$( \frac{1}{ {2}^{3} } + {3}^{2} )$

$( \frac{1}{8} + 9)$

$\frac{73}{8}$

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Answer 2

Answer:

-71/8

Step-by-step explanation:

(a^b-b^a) where a=2 and b=-3

On substituting:

2^-3 - (-3)^2

1/2^3 -9

1/8 -9

On taking LCM

1/8-72/8

-71/8