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secondary 3 | A Maths
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need help with this qn,, pls explain too as im confused :)
Date Posted: 4 years ago
Views: 238
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for these type of questions, it would be helpful to find a common “base” for all the numbers so for eg in this case it would be 2. if u continue ur working, then u will realise that u will be able to cancel out some variables.
from 3rd to 4th line, take out the common factor (which is 2^4x) in the numerator.
hope this helps (:
from 3rd to 4th line, take out the common factor (which is 2^4x) in the numerator.
hope this helps (:
Date Posted:
4 years ago
why 16 need to convert to base 2 but 24 no need tho
because 16 has a power of x+1, and you want to eventually get rid of the x in the equation (which is done by cancellation of 2^4x since it is in both the numerator and denominator). you do not need to convert to common base for 24 as it is a constant, so you can just apply your usual division using the fractions (which u can’t do for two indices with different bases).
sorry if the explanation is a bit convoluted, tried my best to explain it with words and hope u get it :)
sorry if the explanation is a bit convoluted, tried my best to explain it with words and hope u get it :)
issok thx :)
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There you go.
Date Posted:
4 years ago
thx :)
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