find the sum of first 10 multiples of 11
Answers
Answered by
0
Answer:
therefore, answer = 605
Step-by-step explanation:
a=11 d=11 n=10 a10=11+ 9(11)=110
Sn=n/2[ a+ l]
S10=10/2 [ 11+110]
= 5* 121
= 605
Answered by
0
Answer:
11+22+33+44+55+66+77+88+99+110=605
Similar questions