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secondary 4 | A Maths
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secondary 4 chevron_right A Maths chevron_right Singapore

Pls help I do not understand this question thank you so muchh!!

Date Posted: 2 years ago
Views: 318
Eric Nicholas K
Eric Nicholas K
2 years ago
What Dunelm has put in his answer is correct. You will need to refer to the formula sheet and look for a particular expression which looks like (n r) a^(n - r) b^r and then find out what expressions a and b are.
Eric Nicholas K
Eric Nicholas K
2 years ago
Subsequently, you will need to use the rules of indices or some other method to combine the two expressions in x as a single power of x. Your working will end once you have obtained a single power of x.

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Dunelm
Dunelm's answer
2 answers (A Helpful Person)
1st
Use the general term formula to solve this question.
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HiderApplecross
Hiderapplecross's answer
1783 answers (Tutor Details)
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