Question
find the third term in the expansion of (3x-y)^6
Answers
Steve
That would of course be
6C2 (3x)^4 (-y)^2 = 15(81x^4)(y^2) = 1215x^4y^2
6C2 (3x)^4 (-y)^2 = 15(81x^4)(y^2) = 1215x^4y^2
Anonymous
What is the second term