the sum of two numbers is 67 if three times the smaller number is subtracted by the larger the result is 7, find two numbers
2 answers:
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Answer:
dy/dx = -1/
Step-by-step explanation:
y = 1/x
dy/dx = d/dx(1/x)
=> dy/dx = d/dx()
=> dy/dx = -
=> dy/dx = -1/