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Monday, January 31, 2011

Precalculus oh precalculus

OH SYHET~ baru saya perasan yang formula circle yang saya tulis time quiz last week tu SALAH.

yang saya tulis

( x – h )2 + ( y + k ) 2 = r2
yang betul

( x – h )2 + ( y k ) 2 = r2

sekarang saya terasa bengap. simple mistake bah. Aiguu~

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