Question

find the whole length of an astroid
$x {2 \div 3 + y2 \div 3 = a2 \div 3}$

Answer 1

Hey friend.!! here's your answer
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$\frac{x2}{3} + \frac{y2}{3} = \frac{a2}{ 3} \\ \\ \frac{x2 + y2}{3} = \frac{a2}{3} \\ \\ x2 + y2 = a2$

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#Hope its help