(1-1/y)^3=27, y^3-1/y^3=?
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Step-by-step explanation:
Given that cost of a notebook (x) is twice the cost of a pen(y). So, x = 2y. x – 2y = 0 is the linear equation in two variablesthat represent the statement
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ANSWER==>
1-1/y)^3=27, y^3-1/y^3= 36
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