2. Амалдарды орындаңыз: a 1/(6x - 4y) - 1/(6x + 4y) - (3x)/(4y ^ 2 - 9x ^ 2) b ) (x ^ 2 - 4) / ((3x ^ 2 + 6x)/(x ^ 3)) * 12/(4 - 4x + x ^ 2)

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