Jawapan

  • Pengguna Brainly
2016-02-05T13:28:32+08:00
{[2r^(4/5)]^5 x [9s^(3/2)]^2} / [3r^(6/5)]^5
= ( 2r^4 x 9s^3 / 3r^6 )
= 18r^4 s^3 / 3r^6
= 6r^-2 s^3
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