Question

show that a^2 +b^2=0 iff a=0 and b=0 ​

Answer 1

Answer:

$a = 0 \: and \: \: b = 0$

$\: \: \: \: \: \: \: \: {a }^{2} + {b}^{2} = 0$

$= > {(0)}^{2} + {(0)}^{2} = 0$

$= > 0 + 0 = 0$

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