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binomial question (1 Viewer)

cormglakes

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I know how to do question a but how do I do question b? I think Im pretty close - my integration result looks pretty similar to what ive proved but i dont know what to sub in; subbing in -1 or 1 should work but it doesnt work for me20210413_105250.jpg
 

Qeru

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I know how to do question a but how do I do question b? I think Im pretty close - my integration result looks pretty similar to what ive proved but i dont know what to sub in; subbing in -1 or 1 should work but it doesnt work for meView attachment 30520
You sub in -1 can you write out what you got for the integration on the rhs?
 

CM_Tutor

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Have you remembered the include and then seek the constant?
 

liawfwF

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Consider subbing in x = 0 and b = -1 for the upper and lower bounds respectively
 

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