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if ×2=C,then×=✓c or×=_✓c,for all non negative real numbers c.
[tex]if \: \times {?}^{2} = c \: then \: \times \sqrt{c \: \: \: or \: \times = - \sqrt{c \: for \: all \: non \: negative \: real \: numbers \: c.} } [/tex]


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Step-by-step explanation:

paki type po ng maayos para po may makamasagot ng maayos... ng matatalinong tao..