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junior college 1 | H2 Maths
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Jn
Anonymous

junior college 1 chevron_right H2 Maths chevron_right Singapore

Help needed please!!

Date Posted: 4 years ago
Views: 252

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
I have long forgotten my JC stuff already, so I cannot guarantee that my answer is correct.
J
J
4 years ago
Answer is correct, though you might want to factorise the 7^(2N + 2) - 7^(N+2) into
7^(N+2) (7^N - 1)
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Tan Y J
Tan Y J's answer
31 answers (A Helpful Person)
I swear there are careless mistakes somewhere. Sorry about that
J
J
4 years ago
Answer is correct, but can be simplified further