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secondary 3 | A Maths
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Please help me with Qn 7 (ii).
Date Posted: 4 years ago
Views: 470
That 12y - 41 can be expressed as 12 (y - 3) - 5, so that there will be lots of y - 3 in the equation. If you compare part a and part b afterwards, the coefficients are all the same, just that instead of x, it’s now y - 3. So whatever solutions you have found for x in part a will be your solutions for y - 3 in part b. Simply add 3 to the solutions in part a to obtain the values of y.
I will do this later if no one has done them yet.
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done
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Something like this will be good. For part i, if you are lazy to obtain the factors yourself and your calculator is of the model Casio fx-96 Sg plus, you can go into MODE —> 3: EQN —> 4: aX3... to find out the relevant roots.
Date Posted:
4 years ago
And to return to the main screen, press MODE —> 1: COMP.
Thanks For The Help!!!
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