Question

Rationalise 3√3 please send

Answer 1

Answer:

= -27

Step-by-step explanation:

=

$(3 \sqrt{3} ) ( - 3 \sqrt{3} )$

= - 9*3

= -27

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Answer 2

Answer:

-6

Step-by-step explanation:

=(3√3)

= (3√3)(-3√3)

= (-3)^2 + (√3)^2

= -9 +3

= -6

formula (a+b)^2

(a+b)(a-b)

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