(1)/(15),(1)/(12),(1)/(10)" or "sqrt(9910^(@)Cl)

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

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 : (i) 2, 7,12, ..... to 10 terms. (ii) (1)/(15),(1)/(12),(1)/(10),....... to 11 terms.

Find the sum of the following A.P. 's : (i) 2, 7,12, ..... to 10 terms. (ii) (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=

If the equation of base of an equilateral triangle is 2x-y=1 and the vertex is (-1,2), then the length of the sides of the triangle is sqrt((20)/(3)) (b) (2)/(sqrt(15))sqrt((8)/(15)) (d) sqrt((15)/(2))

Choose the correct value of (1)/(sqrt(9)+sqrt(10))+(1)/(sqrt(10)+sqrt(11))+(1)/(sqrt(11)+sqrt(12))+ upto 91 terms from the following options

The sum to n terms of the series (1)/(sqrt(7)+sqrt(10))+(1)/(sqrt(10)+sqrt(13))+(1)/(sqrt(13)+sqrt(16))+... is