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T 2 3t. 2t2t. -T2+t+3=0. 9t2-17<(3t-2)2+15t. 3t 1 2 4t п 2 j 2k.
2t2t. -T2+t+3=0. 9t2-17<(3t-2)2+15t. 3t 1 2 4t п 2 j 2k.