Question

Options are- a) 1 b)729 c)6561 d) 1/6561

Show explaination.
Direct answer not applicable.

Answer 1

Answer:

$( {9}^{2} + {9}^{2} ) \: \: \: \: {9}^{ - 4}$

$(81 + 81) \frac{1}{6561}$

$\frac{2 \times 81}{6561}$

$\frac{2}{81}$

Answer 2

Step-by-step explanation:

= (9^2 ÷ 9^-2)^2× 9^-4

= (9^2-(-2))^2× 9^-4

= (9^4)^2× 9^-4

= (9^4×2)×9^-4

= 9^8×9^-4

= 9^8+(-4)

= 9^4

= 6561