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Guest
Guest
hi,I was wondering how you do this:
Express as a single term from Pascal's triangle: t subscript (18,12) - t subscript (17, 12) The answer is t subscript (17, 11)
How do they get this?
thanks.
Express as a single term from Pascal's triangle: t subscript (18,12) - t subscript (17, 12) The answer is t subscript (17, 11)
How do they get this?
thanks.