Advertisement Remove all ads

Find d if t9 = 23 व a = 7 - Algebra

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

Find d if t9 = 23 व a = 7

Advertisement Remove all ads

Solution

t9 = 23    ......[Given]

∴ 7 + (9 – 1)d = 23    ......[tn = a + (n – 1)d]

∴ 7 + 8d = 23

∴ 8d = 16

∴ d = `16/8`

= 2

Concept: Arithmetic Progression
  Is there an error in this question or solution?
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×