2√30/√6-3√140/√128+√55/√99
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hi bro
(2√30/√6) - (3√140/√28) + (√55/√99)
=(2√5×√6/√6) - ( 3√5×√28/√28) + (√11×√5/√11×√9)
(cancel )
= (2√5) - (3√5) + (√5/√9)
= 2√5 - 3√5 + (√5/3)
= (2-3)√5 + (√5/3)
(take common as √5)
= -1√5 + (√5/3)
(LCM OF 1 and 3 is 3)
= (-3√5+√5)/3
= (-3+1)√5/3
(take common as √5)
== -2√5/3
the person has copied my answer
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