Question

how wants 75 points please solove the question ​

Answer 1

Step-by-step explanation:

x = 3/4 &. y = -9/8

(x-y)^-1 = ( 3/4 +9/8)^-1

= ( 15/8)^-1

= 8/15 ✓✓

x^(-1) - y^(-1) = (3/4)^-1 -(-9/8)^-1

= 4/3 + 8/9

= 20/9 ✓✓

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...... hope it's helpful

Answer 2

Answer:

= 20/9

Step-by-step explanation:

x = 3/4 &. y = -9/8

(x-y)^-1 = ( 3/4 +9/8)^-1

= ( 15/8)^-1

= 8/15 ✓✓

x^(-1) - y^(-1) = (3/4)^-1 -(-9/8)^-1

= 4/3 + 8/9

= 20/9