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- Find the 4th term in the expansion of (x-2y)^12
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- Find the 13^th term in the expansion of (9x-1/(3sqrtx))^18
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- Find the middle term in the expansion of (3-(x^3)/6)^7.
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- Find the middle term in the expansion of (x/3+9y)^10
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- In the expansion of (1+a)^(m+n), prove that the coefficient of a^m and...
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- The coefficients of the (r-1)^(th),r^(th) and (r+1)^(th) terms in the ...
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- Prove that the coefficient of x^n in the expansion of (1+x)^(2n) is ...
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- Find the positive value of m for which the coefficient of x^2 in the e...
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- Find the term independent of x in the expansion of ((3x^2)/2-1/(3x))^6
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- If the coefficients of a^(r-1), a^r and a^(r+1) in the expansion of (1...
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- Show that the coefficient of the middle term in the expansion of (1+x)...
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- Find the coefficient of a^4 in the product (1+2 a)^4 (2-a)^5 using bin...
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- Find the r^ (th) term from the end in the expansion of (x+a)^n .
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- Find the term independent of x in the following expansion. (root(3)(...
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- If the coefficients of (r-5)^( th) and (2 r-1)^ (th) terms in the ex...
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- Find a, b and n in the expansion of (a+b)^n if the first three terms o...
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- Find a if the coefficients of x^2 and x^3 in the expansion of (3+ax)^9...
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- Find the coefficient of x^5 in the product (1+2x)^6(1-x)^7 using binom...
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- If a and b are distinct integers prove that a-b is a factor of a^n-b^n...
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- Evaluate (sqrt3+sqrt2)^6-(sqrt3-sqrt2)^6
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