sum of 1 to n natural numbers is 36 then find the value of n
Answers
Answered by
1
Step-by-step explanation:
video sum of first n natural numbers is equal to N under bracket and + 1 by 2 and when we write in equation 36 into 36 + 1 by 2 32 is 36 / 2 and it is equal to 18 and 18 is multiplied to 37 then we got the answer of n
Answered by
1
Answer:
Sum = 36
a1=1
an=n
sum = n/2(n+an)
36 =n/2(n+n)
36×2=n×2n
72 =2nsq
72÷2=nsq
36 =nsq
underoot36=n
n = 6
Similar questions