i) For a quadratic equation given below find the value of a, b, and c.
x² - 7x+5=0
ii) Decide which of the following are quadratic equation
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Step-by-step explanation:
i) On comparing with ax²+bx+c = 0, we get a = 1,b = -7, c = 5
ii) In this equation x is the only variable and the maximum index of the variable is 2. Hence, the given equation is quadratic equation.
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