Binomial Theorem (1 Viewer)

[JustRandomThings]

Hey every1 I need help for questions 2 and 4

 

[InteGrand]

Hey every1 I need help for questions 2 and 4View attachment 33911

For (ii), integrate the binomial theorem equation twice (use x = 0 to get the values of the constants of integration each time you integrate). Finally, plug in x = 1.

 

[InteGrand]

Hey every1 I need help for questions 2 and 4View attachment 33911

For (iv), differentiate the binomial theorem equation with respect to x. Then, sub. in x = 2² = 4.