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最尾左下角個答案好似係 -2*(-3)^k+6*4^k ? 因為 尾三果行 -2*(-3)^k *3 + 3*4^k*2 會= - (-2) (-3)^(k+1) + 6*4^k ; (-3)^k * 3 要抽個負 變左負負得正
same answer
Become a member of following channel:
ua-cam.com/channels/mhIshlkFGEYOLB9I-H8UUA.htmljoin
You can ask questions about DSE in HK and GCE public exam in UK!!!
🎵🎶🎵🎶Please Like Comment Share Subscribe🎵🎶🎵🎶
最尾左下角個答案好似係 -2*(-3)^k+6*4^k ? 因為 尾三果行 -2*(-3)^k *3 + 3*4^k*2 會= - (-2) (-3)^(k+1) + 6*4^k ; (-3)^k * 3 要抽個負 變左負負得正
same answer