फाइंड द सम ऑफ फर्स्ट इलेवेंथ टर्म्स ऑफ एन ए पी ऑफ व्हिच द सिक्स्थ टर्म्स is 45?
Answers
Answered by
1
Sixth term is 45
a + 5d = 45................[1]
Sum of 11 terms = 11/2 (2a + (11 - 1)d)
= 11/2 (2a + 10d)
= 11 x (a + 5d)
= 11 x 45 ................using equation 1
= 495
a + 5d = 45................[1]
Sum of 11 terms = 11/2 (2a + (11 - 1)d)
= 11/2 (2a + 10d)
= 11 x (a + 5d)
= 11 x 45 ................using equation 1
= 495
Answered by
0
Answer:
this is correct.................................
Attachments:
Similar questions
English,
2 months ago
English,
5 months ago
English,
5 months ago
English,
10 months ago
Computer Science,
10 months ago