What is #-sqrt(196/81)#?

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Answer 1 · 2018-04-13T13:31:54

#-14/9#

#"using the "color(blue)"law of radicals"#

#•color(white)(x)sqrt(a/b)hArrsqrta/sqrtb#

#rArr-sqrt(196/81)=-sqrt196/sqrt81=-14/9#

Answer 2 · 2018-04-13T13:35:32

#-14/9#

#sqrt196=14#
#sqrt81=9#