1.

B. 2xу? – ху+ 3у – бxy d. 4p?q” – 18q*р* - 12pq + 6q*р*f. (2x – 3y) (a – b) + (3y – 2x) (За – b)+​

Answer»

2xу? – ху+ 3у – бxyd. 4p?Q” – 18q*р* - 12pq + 6Q*р*f. (2X3Y) (a – b) + (3y – 2x) (За – b)+



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