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11th Standard English Medium Maths Subject Binomial Theorem, Sequences and Series Creative 2 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 10

    2 Marks

    5 x 2 = 10
  1. Find a negative value of m if the Co-efficient of x2 in the expansion of (1+x)m, |x|<1 is 6

  2. If a, b, c are in A.P., show that (a-c)2 = 4(b2 - ac).

  3. If H be the H. M. between a and b, then show that (H - 2a) (H - 2b) = H2

  4. Find a positive value of m for which the coefficient of x2 in the expansion of (1 + x)m is 6.

  5. Find the \(\sqrt [ 3 ]{ 126 } \) approximately to two decimal places.

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