" 11.(i) "3.1^(2)+5.2^(2)+7.3^(2)+....

Find the sum to 'n' terms of 3.1^(2)+5.2^(2)+7.3^(2)+ ........

The sum (3)/(1^(2)) + (5)/(1^(2) + 2^(2)) + (7)/(1^(2)+ 2^(2) + 3^(2)) + ….. upto 11 terms is

(5) / (3 ^ (2) 7 ^ (2)) + (9) / (7 ^ (2) 11 ^ (2)) + (13) / (11 ^ (2) 15 ^ (2)) + .... oo

the sum (3)/(1^(2))+(5)/(1^(2)+2^(2))+(7)/(1^(2)+2^(2)+3^(2))+...... upto 11 terms

Find the sum of the following series to n term: 3.1^2+5.2^2+7.3^2+……..

Simplify : (i) 2^(2/3)xx2^(1/5) (ii) (1/3^(3))^(7) (iii) 11^(1/2)/11^(1/4) (iv) 7^(1/2)*8^(1/2)

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 : (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)

Evaluate : a. (-1)^(11) b. (-3)^(2)xx(5)^(3) c. 6^(2)xx3^(3) d. (-2)^(3)xx(-5)^(2) e. (-1)^(7)xx2 f. (-1)^(4)xx(-1)^(5) g. 4^(3)xx3^(4) h. (-2)^(5)xx5^(3) i. (-4)^(3)xx(-6)^(3) j. (-1)^(33)xx(-3)^(1) k. ((-1)/(6))^(2) l. ((2)/(11))^(3)

Simplify (i) 2^(2/3). 2^(1/3) (ii) (3^(1/5))^4 (iii) (7^(1/5))/(7^(1/3)) (iv) 13^(1/5). 17^(1/5)