Problem Bank | IB Math AASL

[Maximum mark: 5]

In the expansion of (3x2−xk)7, the coefficient of x5 is −76545.

Find the value of k.

[5]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!

[Maximum mark: 5]

In the expansion of (3x2−xk)7, the coefficient of x5 is −76545.

Find the value of k.

[5]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!