P = | 5X – 2 | + | 3 – 5X | ≥ | 5X – 2 + 3 – 5X | = 1. MIN P = 1 ⇔...

GIÁN ÁN 270 BAI TAP BD HSG CO DAP AN

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53. P = | 5x – 2 | + | 3 – 5x | ≥ | 5x – 2 + 3 – 5x | = 1. min P = 1 ⇔

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