Question

Yang nomor.4 makasih

Answer 1

(3p√5 -√3)2
= 9×5p2 - 3
= 45 p2 - 3
= 42p2

(√6+√3) (2√3-√6)
= 6√2-6+6-3√2
= (6-3)√2
= 3√2

semoga jawaban ku benar