Q1 of 167 Page 20

Write the common difference of an A.P. whose nth term is xn + y.

Here, an=xn+ y


∴ a1=x + y


And a2=2x+y


So, common difference of an A.P. is given by


d=a2–a1


=(2x+y)-(x+y)


=x


More from this chapter

All 167 →
16

A man saved ₹ 66000 in 20 years. In each succeeding year after the first year he saved ₹ 200 more than what he saved in the previous year. How much did he saved in the first year?

 17

In a cricket team tournment 16 teams particpated a sum of 8000 is to to awarded among themselves a price money. It the last placed team is awarded 275 in price money and the award increased by the same amount for successive finishing place , how much amount will the first place team receive?

 2

Write the common difference of an A.P. the sum of whose first n terms is .

3

If the sum of n terms of an AP is , then write its nth term.