Math, asked by sutej180, 4 months ago

simplify the following a) √45-3√20+4√5. b)√24/8+√54/9​

Answers

Answered by rohitpancha90
0

Answer:

=

3×3×5

−3

2×2×5

+4

5

=3

5

−6

5

+4

5

=

5

So, (

5

)

2

=5

Answered by Salmonpanna2022
1

Step-by-step explanation:

 \bf \underline{Solution-} \\

 \sf{ \frac{ \sqrt{24} }{8} +  \frac{ \sqrt{54} }{9}  } \\

  \sf{  = \frac{ \sqrt{4 \times 6} }{8} +  \frac{ \sqrt{9 \times 6} }{9}  } \\

\sf{  = \frac{2 \sqrt{6} }{8}  +  \frac{3 \sqrt{6} }{9} } \\

\sf{  = \frac{ \sqrt{6} }{4} +  \frac{ \sqrt{6} }{3}  } \\

\sf{  = \sqrt{6} \bigg( \frac{1}{4}   +  \frac{1}{3} \bigg) } \\

\sf{  = \sqrt{6} \bigg( \frac{3 + 4}{12}   \bigg) } \\

 \sf{ =  \frac{7 \sqrt{6} }{12} \: \bf{Ans. }} \\

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