tolong dong dijawab please.

a) √18 x (√8)²  =  √9.√2 x 8
                       =  3√2 x 8
                       =  24√2

b) (288)¹/⁵ - 2(9¹/⁵)  =  (9. 2⁵)¹/⁵ - 2(9¹/⁵)
                                = 2.(9¹/⁵) - 2(9¹/⁵)
                                = 0

c) a⁴/³ - a⁵/³  =  a⁴/³ - a¹/³. a⁴/³
                    =  (1 - a¹/³) a⁴/³

d) a⁸/³ : (a¹/³)³  =  a⁸/³ x a⁻³/³
                        =  a⁵/³

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