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Mathematics 19 Online
OpenStudy (tylerballardwildcat):

What is the 6th term of (s + t)9

OpenStudy (niksbhalla14mar):

dint understood the question (s+t)9 is what ?

OpenStudy (tylerballardwildcat):

What is the 6th term of (s + t)9? 125s5t4 125s6t3 125s2t7 125s4t5

OpenStudy (welshfella):

(r+1)th term of (a + b^n = nCr a^(n-r)b^r

OpenStudy (welshfella):

so for your example r = 5 and n = 7

OpenStudy (welshfella):

Sorry n = 9

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