Ng Bi Qi's answer to nancy's Secondary 3 E Maths Singapore question.
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Hope this helps! Always remember to check your answers by substituting back your answer value!
Use your calculator to check!
Substitute for eg. x=2 into the equation and input n=2 (your answer).
check whether both values left and right are the same. If they are the same, your answer will be correct!
Use your calculator to check!
Substitute for eg. x=2 into the equation and input n=2 (your answer).
check whether both values left and right are the same. If they are the same, your answer will be correct!
Date Posted:
4 years ago
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