jawabbb yh kk yg C,D,E.... Question from @erikacool123

October 2020 2 95 Report

jawabbb yh kk yg C,D,E

rhmarz10 C. 8√3 x 24√12
= (8x24) (√3x√12)
= 192√36
= 192 x 6
= 1.152

D. (√5 - √7) (√5 + √7)
= √5.√5 + √5.√7 -√7.√5 -√7.√7
= 5 + √35 - √35 - 7
= 5 - 7
= -2

E.
$= \frac{10 \sqrt{8} }{5 \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } \\ = \frac{10 \sqrt{16} }{5.2} \\ = \frac{10.4}{10} \\ = \frac{40}{10} \\ = 4$

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Dirwank
$a.8 \sqrt{3} \times 24 \sqrt{12} = \\ 8 \sqrt{3} \times 24 \times 2 \sqrt{3} \\ = 384 \sqrt{3} \\ \\ d.( { \sqrt{5 } - \sqrt{7} ) }^{2} \\ 5 - 7 = - 2 \\ \\ e. \frac{10 \sqrt{8} }{5 \sqrt{2} } \\ = \frac{20 \sqrt{2} }{5 \sqrt{2} } \\ = 4$

semoga membantu

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