`(3/7)^-5`× `(7/11)^-4`× `(11/3)^-6`

7/11+(-3)/11

The term independent of x in the product (4 + x + 7x^2)(x-3/x)^11 is (a) 7*"^(11)C_(6) (b) (3)^6*"^(11)C_(6) (c) 3^(5)*"^(11)C_(5) (d) -12*2^(11)

The sum of the infinite series (1)/(3)+(3)/(3.7)+(5)/(3.7.11)+(7)/(3.7.11.15)+"…………" is

Evaluate : (i) (3)/(7)+(-4)/(9)-(-11)/(7)-(7)/(9)

Which of the following are like fractions? (a) 3/5,3/7,3/(11),3/(16) (b) 5/(11),7/(11),(15)/(11),2/(11) (c) 2/3,3/4,4/5,6/7 (d) None of these

Simplify and express each of the following as a rational number : ((7)/(11))^(6) +(( 7)/(11))^(3)

Choose the correct option -2 3/7+4=? a) (-11)/7 (b) (11)/7 (c) (-45)/7 (d) (45)/7

Express each of the following as a rational number of the form p/q :\ (15)/2+9/8+(-11)/3+6+(-7)/6 (ii) (-7)/4+0+(-9)/5+(19)/(10)+(11)/(14)

Simplify : (i) 2^(2/3). 2^(1/5) (ii) (1/(3^3))^7 (iii) (11^(1/2))/(11^(1/4)) (iv) 7^(1/2). 8^(1/2)

Simplify and write each of the following in exponential form: (i) 9^(11)-:9^7 (ii) (-7)^(13)-:(-7)^9 (iii) ((-3)/4)^7-:((-3)/4)^5