Question

simplify : 9√45-5/2√1/3+4√3

Answer 1

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Answer 2

solution

9√45-5/2√1/3+4√3

=9√9*5-5/2*1/√3+4√3

=9*3√5-5/2√3+4√3

=27√5-5√3/2*3+4√3

=27√5-5√3/6+4√3

=27√5-(5√3+24√3)/6

=27√5+19√3/6