If `sumn=55` then `sumn^2=`

If sumn=210 , then sumn^2=

If sum n^2=2870, then sumn^3= (A) 44100 (B) 48400 (C) 52900 (D) none of these

If sumn ,(sqrt(10))/3sumn^2,sumn^3 are in GP, then the value of n is

If p∥q and ∠1 = 55° then ∠2 =

55 m =

If S_(1) = sumn, S_(2) = sumn^(2), S_(3) = sumn^(3) then lim_(n rarr oo) (s_(1)(1+s_(3)/8))/(s_(2)^(2)) =

(n (n + 1))/2 = 55 then n = …

Find the value of sin^2 35+sin^2 55 . sin^2 35+sin^2 55 का मान ज्ञात करें ।