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secondary 3 | A Maths
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simultaneous equations
Date Posted: 7 years ago
Views: 1687
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For the first part, change everything to the same base which in this case is 4 and by comparing the powers, come up with equation 1.
For the second part, using a substitution of u= 3^x would be useful. But do remember to switch it back since we are solving for x and y, not u.
Hope this helps!
For the second part, using a substitution of u= 3^x would be useful. But do remember to switch it back since we are solving for x and y, not u.
Hope this helps!
Date Posted:
7 years ago
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