मराठी

Find the Sum to N Terms of the Series 3 × 8 + 6 × 11 + 9 × 14 +… - Mathematics

Advertisements
Advertisements

प्रश्न

Find the sum to n terms of the series 3 × 8 + 6 × 11 + 9 × 14 +…

Advertisements

उत्तर

The given series is 3 × 8 + 6 × 11 + 9 × 14 + …

a= (nth term of 3, 6, 9 …) × (nth term of 8, 11, 14, …)

= (3n) (3n + 5)

= 9n2 + 15n

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Sequences and Series - Exercise 9.4 [पृष्ठ १९६]

APPEARS IN

एनसीईआरटी Mathematics [English] Class 11
पाठ 9 Sequences and Series
Exercise 9.4 | Q 6 | पृष्ठ १९६
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×