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11 April, 19:12

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

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  1. 11 April, 22:45
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    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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