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secondary 3 | E Maths
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How to do this question?
Date Posted: 6 years ago
Views: 376
Solution : since x to the power of -1 is 1/x ,
hence 3/x = 1/81 then do the normal manipulation you will get x = 243
hence 3/x = 1/81 then do the normal manipulation you will get x = 243
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Hope it helps
Date Posted:
6 years ago
Is cross multiply?
Yes
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You just need to be aware that x to the power of -1 simply means 1/x. From there you can just solve the equation accordingly. If still unsure feel free to ask me. Cheers and all the best! :)
Date Posted:
6 years ago
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