1.

(ii) a2b® +3ab - 961 + ् दर भ्ठ ik -5_4 &

Answer»

(1-9)a^2b^2 +(3+5/2)ab + (3/5-4/5)ab^2= - 8a^2b^2 + 11/2ab - 1/5ab^2



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