Question

Clear selection
Question
(2) Find the nth of the AP: 3x, 5x, 7%,
समांतर श्रेणी 3x, 5x, 7x,... के पद का मान ज्ञात करे।
(a)(2n+1)x
(b)(n+1)x
(c)(2n-1)x
(09/2n-112​

Answer 1

Answer:

option (a) is correct

Step-by-step explanation:

an=a+(n-1)d

= 3x+ (n-1)2x

= 3x+ 2nx-2x

= x+2nx

= (2n+1)x