# maths

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can you pls tell the formulas in binomial theorem

• maths -

if you mean the binomial expansion...

(a+b)^n
= a^n + C(n,1)a^(n-1) b + C(n,2) a^(n-2) b^2 +... C(n, n-1) a^1 b^(n-1) + b^n

or , for a general value of n

= a^ + n a^(n-1) b + n(n-1)/2! a^(n-2)b^2 + n(n-1)(n-2)/3! a^(n-3) b^3 + ....

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