Answer:
f(x)= -8/x
So, dy/dx= -8x^-1
dy/dx=-8(x^-1)
dy/dx= -8(-1x^-1-1) [ x^n= nx^n-1]
dy/dx= -8(-x^-2)
dy/dx= 8x^-2
dy/dx= 1/8x²
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