Page 20 - Math Grade 11 (Advance)

PROEUS DARA

0 ,
=elSimfi ===========-===-======

n. 1 + 2 + 3 + ... + 100 2. 1 + 4 + 9 + 16 + ... + 484

1!1. 1 + 8 + 27 + 64 + ... + 3375 ill. 1 X 3 + 2 X 4 + 3 X 5 + ... + 20 X 22

2. cuanu~ti~m~~uu&arHtJtlntr:nru@acLus-@~Hurm L:
u u n ~
6 5 9 7
n. 2. ~k2 1!1. ~ (3k-l) ill. ~(-1/k
l:k
k=! k=l k=4 k=2

II 24 24
3. l!iMSl n. 2: k2 2. 2: k2 1!1. ~ k2
k=! k=l k = 12

24 15 24
4. l!iMSl n. 2: k3 2. ~k3 1!1. ~ k3

k=l k= 1 k = 16
n
5. n. NL1Hl5ntSJ1'ij ~k(k+l)
u k= I
2. cr:n 11H1Uut'i§ru n. l!lMSld ~1.mn 1 x 2 + 2 x 3 + 3 x 4 + ... + 28 x 29
LJ 6V u
n
6. n. NlJruntSJl'ij ~k(k+l)(k+2)
u k= I
"" ...
2. tr:tlrutlYtH~ru n. l!iMSldru\ln lx2x3+2x3x4+3x4x5+ ... +20x2lx22

0 I Ql \;) Ql
7. n. n M ~ ~ g n t s hl ~ 1 , 2, 5 , 10, 17 ,. . . '1
u 4
1

0 • t::JI ':1 C»
8. n. nrul~~g n ta~~ 1' 5, 14, 30, 55, 91 , ... '1
1
0 .. ""
2. ~ndrutln n ~f:ltl~tShl~tS8 '1
u u u 4
1
0 ' Ql "'<> C»
9. nrul~~g n tShl~ (a, ): p, q, p, q, p, q, ... '1
u 4 1
I

15