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A DAS GUPTA-Binomial Theorem for Positive Integrel Index-Exercise
- Find the value of sum(p=1)^n(sum(m=p)^n^n Cm^m Cp)dot And hence, find ...
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- The value of ^(2n+1)C0^2+^(2n+1)C1^2+^(2n+1)C2^2+....+^(2n+1)Cn^2 is e...
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- Find the sum sumsum(0lt=i<jlt=n)^n Ci^n Cj
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- If (1 + x + x^(2) + x^(3))^(n) = a(0) + a(1)x + a(2)x^(2)+"……….."a(3n)...
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- The coefficient of a^4b^5 in the expansion of (a+b)^9 is .
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- The coefficient in the third term of the expansion of (x^2-1/4)^n when...
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- Which is larger : (99^(50)+100^(50)) or (101)^(50).
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- The sum of the coefficeints of the polynominal (1 + x - 3x^(2))^(2163)...
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- The sum of the numerical coefficients in the expansion of (2x+3y)^10 i...
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- If the fifth term of the expansion (a^(2//3)+a^(-1))^n does not contai...
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- The sum of the rational terms in the expansion of (sqrt(2)+ root(5...
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- Write the middle term in the expansion of (x+1/x)^(10)dot
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- If the coefficients of 2nd, 3rd and 4th terms in the expansion of(1+x)...
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- If x^r occurs in the expansion of (x+1/x)^n then its coefficient is .
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- If the sum of the coefficients in the expansion of (a+b)^n is 4096, th...
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- The number of terms in the expansion of (1+x^(1/5))^55 which are free ...
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- If n is even then the coefficient of x in the expansion of (1+x)^n*(1-...
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- The sum of ""^21C0+""^21C1+""^21C2+...+""^21C10 is equal to .
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- The coefficient of x^(n) y^(n) in the expansion of [(1 + x)(1+y) (x...
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- The number of terms in the expansion of (1+2x+x^2)^n is :
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