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RVUNL Mathematics Quiz 2

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Question 1

The coefficient of x⁷ in the expression (1 + x)¹⁰ + x(1 + x)⁹ + x²(1 + x)⁸+ ……..+ x¹⁰ is:

Question 2

If the coefficients of x² and x³ are both zero, in the expansion of the expression
(1 + ax + bx²) (1 - 3x)¹⁵ in powers of x, then the ordered pair (a, b) is equal to:

Question 3

Find co-efficient of term independent of y in

Question 4

The sum of the co-efficents of all the even powers of x in the expansion of (2x² – 3x + 1 )¹¹ is

Question 5

The value of

is equal to :

Question 6

If the coefficient of x⁷ in equals the coefficient of x^-7 in, then a and b satisfy the relation

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AE & JE Exams

May 19AE & JE Exams