Question

Naina is go to market with answer

Answer 1

Answer:

4×(18)

−

2

1

×(18)

2

1

+(18)

2

3

4 \times ( {81}^{ - \frac{1}{2} } )^{ - 1} \times {81}^{ \frac{1}{2} } + {81}^{ \frac{1}{2} ^{3} }4×(81

−

2

1

)

−1

×81

2

1

+81

2

1

3

4 \times {(9)}^{ - 1} \times 9 + {9}^{3}4×(9)

−1

×9+9

3

9³ because 2 and 2 is cancel from 81 ½ and 81 to the power 3/2

simplication

4 × 9 -1 × 9 + 729

4 × 9 -¹ × 738

using \: {a}^{ - n} = \frac{1}{an} \: formulausinga

−n

=

an

1

formula

4 \times \frac{1}{9} \times 7384×

9

1

×738

4 × 82

328