Question

if p+1/p=21/4, then p-1/p=?

Answer 1

Answer:

19/4

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Answer 2

Answer:

-13/4

Step-by-step explanation:

P+1/p=21/4

1+1/p=21/4

1/p=21/4-1

=17/4

p-1/p=1-1/p

=1-17/4=-13/4