Question

Evaluate The following .
1
2
3​

Answer 1

Answer:

1. {(1/2)-³ - (1/3)-²/(1/5)-²

= (2³-3²)/5²

= (8-9)/25

= -1/25

2.{(2/3)-² - 3/4)-¹} -² = {(3/2)² - (4/3)}-²

= (9/4-16/9 )-²

= ((81-64)/36)-²

= (17/36)-² = (36/17)²

3. {(1/2)-³ + (1/3)-²}-¹ /(1/4)-¹

= (8+9)-¹ (4)

= 4/17