Simplify root 45-3 root 20+4root 5

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Simplify root 45-3 root 20+4root 5

Posted by Dapinder Kaur 3 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Fifth E 3 years, 6 months ago

=√45-3√20+4√5 =√(9*5)-3√(4*5)+4√5 =√9*√5-3[√4*√5]+4√5 =3√5-6√5+4√5 =√5

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