27. The coefficient of the \( x ^ { 2 } y ^ { 2 } \) term in the binomial expansion of \( ( 2 x - 3 y ) ^ { 4 } \) using Pascal triangle is: a) \( - 96 \) b) \( - 216 \) c) \( 216 \) d) \( 81\)
Pregunta
Answer
c) 216
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