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Binomial Theore...

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  • Question 1
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    If for positive integers r > 1, n > 2 the coefficient of the (3r)th and (r + 2)th powers of x in the expansion of (1 + x)2n are equal , then

  • Question 2
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    If the coefficient of the second, third and fourth terms in the expansion of (1 + x)n are in A.P., then n is equal to

  • Question 3
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  • Question 4
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  • Question 5
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  • Question 6
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    Let S(k) = 1 + 3 + 5 + ...+ (2k - 1) = 3 + k2. Then which of the following is true.

  • Question 7
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  • Question 8
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  • Question 9
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  • Question 10
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    If the coefficients of rth term and (r + 4)th th term are equal in the expansion of (1 + x)20, then the value of r will be

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