[(2x^(2)-(1)/(x))^(12)" ti "" Qen "284i" is "40,......+8],[[" (A) "7920," (B) "495]]

(x^(2)-8x+12) -: (x-6) = ………….

(17(2-x)-5(x+12))/(1-7x)=8

If x^(2)+(1)/(x^(2))=102, then x-(1)/(x)=8( b) 10 (c) 12 (d) 13

Factorize following expressions (i) x^(2)+3x-40" (ii)"x^2-3x-40" (iii)"x^(2)+5x-14 (iv) x^2-3x-4" (v)"x^2-3x-40" (vi)"3x^2-10x+8 (vii) 12x^2-x-35" (viii)"3x^2-5x-2" (ix)"3x^2-7x+4 (x) 7x^2-8x+1" (xi)"2x^2-17x+26" (xii)"3a^2-7a-6 (xiii) 14a^2+a-3

(i) Find the 9th term in the expansion of ((x)/(a)-(2a)/(x^(2)))^(12) (ii) Find the 8th term in the expansion of (2x^(2)+(1)/(x))^(12)

(i) Find the 9th term in the expansion of ((x)/(a)-(2a)/(x^(2)))^(12) (ii) Find the 8th term in the expansion of (2x^(2)+(1)/(x))^(12)

If the mean of a set of observations x_(1), x_(2),….,x_(10) is 20 then the mean of x_(1)+4, x_(2)+8, x_(3)+12,….,x_(10) + 40 is

The range of the function f(x)=(x^(2)+8)/(x^(2)+4),x inR is a) [-1,(3)/(2)] b) (1,2] c) (1,2] d) [1,2]