Q.

nth term of the series 1+45+752+1053+…will be

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

3n+15n−1

b

3n−15n

c

3n−25n−1

d

3n+25n−1

answer is C.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

The given series  is  clearly  an  AG,  the corresponding  AP is 1+4+7+10+… having  nth term = 3n−2.and corresponding GP is  1+15+152+… having  nth term =15n−1Hence,  required  nth term of the  series  is 3n−25n−1.
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
whats app icon