Question

simplify...........
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Answer 1

Answer:

The answer is 35/2

Step-by-step explanation:

[5-¹-7-¹]-¹

[1/5-1/7]-¹

[7-5/35]-¹

[2/35]-¹

35/2

Hope it will help you

Answer 2

answer ⤵️

$( {5}^{ - 1} - {7}^{ - 1} ) {}^{ - 1}$

${5}^{1} - {7}^{1}$

$5 - 7$

$- 2$

right answer is -2