18Doubt . ho nhi rha bhot time waste hua ishme

Samhitha · 12 Aug 2026

N th term is an=a+(n-1)d 9+(n-1)(-2)=15+(n-1)(-3) 9-2n+2=15-3n+3 11-2n=18-3n 3n-2n=18-11 n=7

Danish · 11 Aug 2026

7

Bhanu · 11 Aug 2026

7

Shadiya · 11 Aug 2026

Option b

@nmol · 11 Aug 2026

7 sahi hoga

Raiyan · 11 Aug 2026

Ans 7 aayega vo

Arpit · 10 Aug 2026

Dono ke nth term ko equal krdo 9+(n-1)( -2) = 15+(n-1) (-3) Isko solve krke n ka value 7 aayga

Arpit · 10 Aug 2026

7 hoga bhaiii

RAMKRUSHNA · 10 Aug 2026

Answer is A

Pradyumna · 10 Aug 2026

बहुत सरल hai पहले formula lagao a(n-1)d dono taraf jisse dono me equation बने gi एक 2n होगा एक 3n होगा jb हटाए ge to n बचे ga fir 11 or 18 jo sath me gha usko minus kro 7 aaye ga bss

HRITHIK · 10 Aug 2026

plz send solution

Glad · 10 Aug 2026

Option b is correct