18. Find the remainder when 4x³ + 5x² - 11x + 10 is divided by x+2

18

19

20

21

19. Using the binomial theorem in the expansion of (x + 3/x)^{4},

find the term which is independent of x.

74

54

64

66

20. Find the coefficient of a^{17}b^{3} in the expansion (a+b)^{20}

345

570

1120

1140

21. Find the remainder when 3x³ + 5x² - 11x + 4 is divisible by x + 3

-1

1

2

0

22. Find the fourth term in the expansion of (1+x)^{15}

13

1

455x³

13x³

23. If x^{4}-kx^{3} + 10x² + lx - 3 is divisible by (x-1) and if when it is divided by (x+2) the remainder is 27, find the constants k and l, respectively.

-15, -7

2, 3

8, -8

5, 7

24. If (1 + 4x)^{5} = 1 + Ax + Bx² + Cx³...

find the values of the constants, A, B and C, respectively