Tham KY's answer to tasha's Secondary 3 A Maths question.
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Date Posted:
6 years ago
Thanks
Why when u find the x^2 term u sub x=1?
I did not sub x=1 when finding x^2 terms,
I just wanted its 'coefficient', I don't need to write x^2, coz b is only the 'coefficient'...
I just wanted its 'coefficient', I don't need to write x^2, coz b is only the 'coefficient'...
Huh? Then why for the 2nd term for the coefficient of x^2 u didnt write X times n(n-1) divided by 2 ....
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