Question

8. Simplify: a. ( + √)( − √) b. √ − √ + √ − √ c.(√−) +(√+√) −(√−)

Answer 1

Answer :

$a. \: \: ( + \sqrt{ \: } )( - \sqrt{ \: } ) = \: - {( \sqrt{ \: } )}^{2} = \: (-) \\ \\ b. \: \: \sqrt{ \: } - \sqrt{ \: } + \sqrt{ \: } - \sqrt{ \: } = 0 \\ \\ c. \: \: ( \sqrt{ - } ) + ( \sqrt{ \: } + \sqrt{ \: } ) - ( - \sqrt{ \: } ) = 2 \sqrt{ \: }$

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