Find a formula for n also please

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Secondary 1 | Maths
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Secondary 1 Maths Singapore

Find a formula for n also please

Date Posted: 2 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Please correct me if I’m wrong.

Date Posted: 2 years ago

Arnold K H Tan

2 years ago

3n² - n² = 2n²

Just use 2n² = 512
Thus n² = 256
n =16