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Class XI Maths Binomial Theorem 2
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Question 1
Assuming x to be so small that x3 and higher powers of x can be neglected, then value of is
Question 2
The coefficient of x7 in the expansion of (1 - x - x2 + x3)6 is
Question 3
If the expansion in powers of x of the function (1 / ((1-ax)(1-bx))) is a0 + a1x + a2x2 + a3x3 +… then an is
Question 4
For natural numbers m, n if (1 – y)m (1 + y)n = 1 + a1y + a2y2 + … , and a1 = a2 = 10, then (m, n) is
Question 5
The coefficient of xn in the expansion of (1+x)(1-x)n is
Question 6
If and, then is equal to
Question 7
The sum of the series 20C0 – 20C1 + 20C2 – 20C3 + ....... - 20C9 is
Question 8
If C0, C1, C2, ............ Cn are the Binomial coefficients in the expansion of (1 + x)n, n being even, then C0 + (C0 + C1) + (C0 + C1 + C2) + ..... + (C0 + C1 + C2 + ........+ Cn–1) is equal to
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