[" 43.If "3+5r+7r^(2)+......" to "oo=(44)/(9)" ,then "r],[" equals "],[[" a] "(17)/(11)," (万 "(1)/(4)],[" c] "(11)/(17)," d] "(3)/(4)]]

Multiply: (-2)/(9)by(5)/(11) (ii) (-3)/(17)by(-5)/(-4)

If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c) (17)/(23) (d) 4/5

If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c) (17)/(23) (d) 4/5

If 3 ( 5x - 7) - 4 ( 8x - 13) = 2 ( 9x - 11) - 17, then the value of ( 7x - 5)/(11 x - 9) is

The range of the function f(x)=(x^2+x+2)/(x^2+x+1),x in R , is (1,oo) (b) (1,(11)/7) (c) (1,7/3) (d) (1,7/5)

If |(""^(9)C_(4),""^(9)C_(5),""^(10)C_r),(""^(10)C_(6),""^(10)C_(7),""^(11)C_(r+2)),(""^(11)C_(8),""^(11)C_(9),""^(12)C_(r+4))|=0 , then the value of r is equal to a)3 b)4 c)5 d)6

Out of the fractions (9)/(31),(3)/(17),(6)/(23),(4)/(11) and (7)/(25) which is the largest? (9)/(31) (b) (3)/(17) (c) (6)/(23) (d) (4)/(11) (e) None of these

If 3 (5x-7) -4 (8x-13) =2 (9x-11)-17 , then the value of (7x-5)/(11x-9) is

The range of the function f(x)=(x^2+x+2)/(x^2+x+1),x in R , is (a) (1,oo) (b) (1,(11)/7) (c) (1,7/3) (d) (1,7/5)

Which of the following are in descending order of their values? (5)/(9),(7)/(11),(8)/(15),(11)/(17) (b) (5)/(9),(8)/(15),(11)/(17),(7)/(11) (c) (11)/(17),(7)/(11),(5)/(15),(5)/(9)(d)(11)/(17),(7)/(11),(5)/(9),(8)/(15)