Advertisement Remove all ads

Find S10 if a = 6 and d = 3 - Algebra

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads
Sum

Find S10 if a = 6 and d = 3

Advertisement Remove all ads

Solution

a = 6 and d = 3     ......[Given]

Since Sn = `"n"/2[2"a" + ("n" - 1)"d"]`,

S10 = `10/2[2(6) + (10 - 1)(3)]`

= 5[12 + 9(3)]

= 5(12 + 27)

= 5(39)

= 195

Concept: Sum of First n Terms of an AP
  Is there an error in this question or solution?
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×