Question

evaluate (6–¹ - 7–¹)–¹ - (5–¹ - 4–¹)–¹​

Answer 1

Step-by-step explanation:

(6–¹ - 7–¹)–¹ - (5–¹ - 4–¹)–¹

= (1/6 - 1/7)-¹ - (1/5 - 1/4)-¹

= (6 - 7) - (5 - 4)

= (-1) - (1)

= -1 -1

= -2