2) If a = 5, d = 10, Find S20 = ?
Solution Here a = 5, d = 10, S20 =?
S n =
S20 = 20 [ (10 + (20-1) X ]
= 10 [10 + ]
= 10 X
S20 =
Answers
Answered by
1
Answer:
samghana nahi samgha to follow kar
Similar questions