Home
Class 7
MATHS
211 1X2n 4-1) 2n +1 (3m 3n 1) 3n 1 1.4 4...

211 1X2n 4-1) 2n +1 (3m 3n 1) 3n 1 1.4 4.7 7.10 2 4 8 2 13) 2+3.2+4.23+.... (n+ l) 2n n.2n 14) a (atd) a 2d)+.... a (n-1) d n 12a (n-1)d] 2 a(rn-1)/r-1, r 1 a tartar l n (2n+ 1) /8

Promotional Banner

Similar Questions

Explore conceptually related problems

lim_ (n rarr oo) (1.2 + 2.3 + 3.4 + .... + n (n + 1)) / (n ^ (3))

lim_ (n rarr oo) (1) / (n) [(1) / (n + 1) + (2) / (n + 2) + ... + (3n) / (4n)]

Sum of n terms of series 12+16+24+40+.... (A) 2(2^n -1)+8n (B) 2(2^n-1)+6n (C) 3(2^n-1)+8n (D) 4(2^n-1)+8n

1.3 + 2.4 + 3.5 + …… + n(n+2) =( n(n+1)(2n+7))/6

Statement-1: 1+2+3....+n=(n(n+1))/(2),"for all "n in N Statement-2: a+(a+d)+(a+2d)+....+(a+(n-1)d)=(n)/(2)[2a+(n-1)d]

Statement-1: 1+2+3....+n=(n(n+1))/(2),"for all "n in N Statement-2: a+(a+d)+(a+2d)+....+(a+(n-1)d)=(n)/(2)[2a+(n-1)d]

1.3+2.4+3.5+....+n(n+2)=(n(n+1)(2n+7))/(6)

Sum of n terms of series 12+16+24+40+.... (A) 2(2^(n)-1)+8n (B) 2(2^(n)-1)+6n(C)3(2^(n)-1)+8n(D)4(2^(n)-1)+8n