Tolong di jawab (2a+3b) pangkat 5= Terimakasih

jawab

pascal ke 5 = 1 , 5, 10, 10, 5, 1

(2a + 3b)⁵ =
= 1 (2a)⁵ + 5 (2a)⁴(3b) + 10 (2a)³(3b)² + 10 (2a)²(3b)³ +  5( 2a)(3b)⁴ +  1 (3b)⁵
= 32 a⁵+5(16)(3)(a⁴b) +10(8)(9)(a³b²) +10(4)(27)(a²b³)+5(2)(81)(ab⁴)+243 (b⁵)
= 32 a⁵ +240 a⁴b + 720 a³b² + 1.080  a²b³ + 810 ab⁴ + 243 b⁵