Question

x-y=8,xy,=5 find x^-y^
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Answer 1

Answer:

40

Step-by-step explanation:

(x-y=8) (x+y=5) find x^-y^

(using this identity__a^-b^= (a+b) (a-b)

(x-y=8) and (x+y) =5

(x-y) (x+y) = (8) (5)

8×5=40

Answer 2

above answer is correct