Question

If x=(-1)^(-1) (-1)........ 20 times and y = (-1) (-1) *(-1).......... 15 times then x+y​

Answer 1

Answer:

-3×-3=+9×-3=-27 and -1×-1×-1 its -1 but here -1 is 28 times firstly its give 3 and then 25 times so its 28 times and 28 is even so the answer is -27×1=-27.....

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