Ответ:
-0,2
Объяснение:
(у-h)/(h²+y²) × [(h+y)/h - 2h/(h-y)]=-(h-y)/(h²+y²) × [(h+y)(h-y)-2h²]/h×(h-y) = -1/(h²+y²) × (h²-y²-2h²)/h =-1/(h²+y²) × [-(h²+y²)/h] = -1 ×(-1/h)= -1/h
h=5;
-1/5= -0,2
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Ответ:
-0,2
Объяснение:
(у-h)/(h²+y²) × [(h+y)/h - 2h/(h-y)]=-(h-y)/(h²+y²) × [(h+y)(h-y)-2h²]/h×(h-y) = -1/(h²+y²) × (h²-y²-2h²)/h =-1/(h²+y²) × [-(h²+y²)/h] = -1 ×(-1/h)= -1/h
h=5;
-1/5= -0,2