Question

$the minimum value of y = 5 {x}^{2} - 2x + 1 is$
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Answer 1

Answer:

$for \: \: \: minimum \: \: \: value \: \: \: \: = c - \frac{ {b}^{2} }{4a} \\ = 1 - \frac{ { (- 2)}^{2} }{4 \times 5} \\ = \frac{4}{5}$