Find the value of x
Help me plz~
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Well, I thought on this one for a moment but sorry, I didn't found another alternative nd had to take help of calculus.
When, dy/dx = 0, the curve attains either its minimum value or its maximum value (maxima nd minima). So, just make them equal to 0 and simplify.
But don't forget to put in the value nd verify as we don't know whether it's the minima or the maxima.
Note : There's a way to find whether its minima or maxima by f''(x) [double differentiate]. But it's better to just put in the value and verify.
Thanks..!
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