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The Coefficient Of X^n In The Expansion Of (1-9x+20x^2)^-1 Is
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The Greatest Integer Less Than Or Equal To
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Coefficient Of X^r In The Expansion Of ( 1-2x)^-1/2 Is
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N Sigma K=1 K(1+1/n)^k-1 =
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If (a + Bx)^-2 = 1/4 -3x +......, Then (a,b) =
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(a/a+x)^1/2 + (a/ A-x)^1/2 =
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Coefficients Of X^r[0≤ R ≤ ( N-1)] In The Expansion Of
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If The Sum Of The Coefficients
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NC0 -1/2 NC1 + 1/3 NC2 - .......+ (-1)^n NCn/n+1 =
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The Sum Of All The Coefficients In The Binomial Expansion Of
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C0/1 + C2/3 + C4/5 + C6/7 +....=
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The Coefficient Of X^100 In The Expansion Of
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2C0 + 2^2/2 C1 + 2^3/3 C2 +....+ 2^11/11 C^10 =
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The Value Of 15C0^2 - 15C1^2 + 15C2^2 -.....- 15C15^2 Is
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The Suk Of Coefficients Of Even Power Of X In The Expansion Of (1+ X + X^2 + X^3)5 Is
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If (1+x)^n = C0 + C1x + C2x^2+......+Cnx^n, Then
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If C0,C1,C2,C3... Are Binomial Coefficients In The Expansion Of
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1/1!(n-1)! + 1/3!(n-3)! + 1/5!(n-5)!+....=
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If (1+x)^n = C0 + C1x + C2x^2+.......+Cnx^n, Then
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The Value Of 10C1 + 10C2 + 10C3+.....10C9 Is
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The Value Of C1/2+C3/4+C5/6+.... Is Equal To
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If ( 1-x)^n = C0-C1x+C2x^2-C3x^3+...+(-1)^nCnx^n, Then
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