[artid1]

thank you John! this really has helped me 🙂

yes I noticed some questions did not show how the answer is derived. this will be useful once workings are given.

[artid1]

Hi mike

Thank you this makes sense now

[artid1]

Hi

thank you for your reply

i have not been checking the updates recently so when i saw that i was surprised…not to suggest it is false.

thank you again for replying back.

[Author]

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