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simplify the radical expression
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\[3\sqrt{5a} * 2\sqrt{25a^2} \]
@satellite73
\[3\sqrt{5a}*2\sqrt{25a^{2}}=3\sqrt{5a}*2*5a\] can u now simplify it??
\[5\sqrt{125a^3}\] ??
no it can be read as \[3*2*5a*\sqrt{5a}=30a \sqrt{5a}\]
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ohh i see. can you help with some more?
ok
but you should try to learn the logic
\[\sqrt{\frac{ 80w^3 }{ 9 }}\]
\[\sqrt{\frac{ 80w ^{2} }{ 9 }}=\sqrt{\frac{ 2^{2}*2^{2}*5*w ^{2} }{ 3^{2} }}=\frac{ 2*2*w*\sqrt{5} }{ 3 }\]
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\[=\frac{ 4w \sqrt{5} }{ 3 }\]
thanks:)
u r welcome
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