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# AS C1 maths textbook question help- binomial expansion watch

1. Hi,

I've been practising some textbook questions on binomial expansion but I'm a bit stuck with this one. Please could someone explain how to do it? Thanks
2. (Original post by VioletPhillippo)
Hi,

I've been practising some textbook questions on binomial expansion but I'm a bit stuck with this one. Please could someone explain how to do it? Thanks
3. Sorry I forgot to attach it
Attached Images

4. (Original post by VioletPhillippo)
Sorry I forgot to attach it
the picture is like well blurry ?
5. Sorry I didn't realise that it was so blurry, I've taken another picture
Attached Images

6. (Original post by VioletPhillippo)
Sorry I didn't realise that it was so blurry, I've taken another picture
You can either factor out a factor out a factor of to make it equivalent to and then use the formula for expanding binomials.

Or:

You can use the binomial theorem straight away:

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