- What is (2x-3)^9 in expanded form?

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What is a wave cyclone and how does it develop? Find a basis for R(T) when T : R3 -> R3 , T( a1,a2,a3) = (a1-2 a2 , a2+a3 , 2 a1+a2+5 a3)? Find the equation of the line which:
has a gradient of 3 and passes through the point (1, 8)? Are black holes essentially gobbling up the universe which would nullify the theory that the universe is expanding? Find the derivative y=x^4Inx-1/3x^3?