4 years ago

Expand(2a+3b)^5using binomial theorem

Mathematics

1 answer:

TiliK225 [7]4 years ago

3 0

Answer:

32a⁵ + 240a⁴b + 720a³b² + 1080a²b³ + 810ab⁴ + 243b⁵

Step-by-step explanation:

(2a+3b)⁵ = (2a)⁵ + 5C1(2a)⁴(3b)¹

+ 5C2(2a)³(3b)² +

+ 5C3(2a)²(3b)³ +

+ 5C4(2a)¹(3b)⁴ +

+ (3b)⁵

= 32a⁵ + 240a⁴b + 720a³b² +

1080a²b³ + 810ab⁴ + 243b⁵

(Correct me if i am wrong)

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