The Student Room Group

Expansion problem

How do I get from

1.jpg

to

2.jpg?

Thank you for your help
Reply 1
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Reply 2
Original post by gardash
How do I get from

1.jpg

to

2.jpg?

Thank you for your help


It looks like they have approximated the function to first order using a multivariable Taylor expansion.
Reply 3
Original post by atsruser
...


Thank you sir

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