" (iv) "(1)/(15),(1)/(12),(1)/(10),...11" 4 varepsilon "" भูᆭ4"

Find the sum of the following APs : (1)/(15), (1)/(12), (1)/(10),.. , to 11 terms

Find the sum of the following A. P. s: (1)/(15) ,(1)/(12), (1)/(10),…, to 11 terms

Find the sum of following Aps. 1/(15),(1)/(12),(1)/(10),..... to 11 terms.

(1)/(4) of (12)/(15) km=

2(1)/(4)+1(1)/(3)-4(1)/(2)=?-1(1)/(12) (b) (11)/(12) (c) -(11)/(12)(d)1(1)/(12) (e) None of these

The value of (1-(1)/(3^(2)))(1-(1)/(4^(2)))(1-(1)/(5^(2)))ddot M(1-(1)/(11^(2)))(1-(1)/(12^(2))) is (11)/(20) (b) (13)/(15) (c) (13)/(18) (d) (15)/(16) (e) None of these

Prove that (1)/(10!) +(1)/(11!)+(1)/(12!)=(145)/(12!).

12(1)/(3)-(8)/(9)+(11)/(3)-4(11)/(9)=?