Question

i. Find the first two terms of the sequence for which Sn is given below:

Sn = n

2

(n + 1).



iii. Write the equation of X-axis. Hence, find the point of intersection of the graph of the equation

x + y = 5 with the X-axis.


iv. For a certain frequency distribution, the values of Assumed mean (A) = 1300, €fidi = 900 and

€fi = 100. Find the value of mean

Please answer fast.​

Answer 1

i don't understand this question

Answer 2

hey mate..

here is your answer..

refer to the aatachment