[Solved] 1.a) Express 2x C y-1 + 2x C y as a singl

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1.a) Express 2x C y-1 + 2x C y as a single term from Pascal's Triangle in the form n C r 1.b) Express 3x+8

1.a) Express _2xC_y-1+ _2xC_yas a single term from Pascal's Triangle in the form _nC_r

1.b) Express _3x+8C_8y-5as a sum of two terms, each in the form _nC_r

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