यदि f(x) =  है, तो f{f(x)} क्या है?

  1. -1/x
  2. 2/x

Answer (Detailed Solution Below)

Option 3 : x 
Free
General Knowledge for All Defence Exams (शूरवीर): Special Live Test
20 Qs. 20 Marks 16 Mins

Detailed Solution

Download Solution PDF

संकल्पना:

फलन का संयोजन: माना कि f और g कोई फलन है, तो f ∘ g(x) = f[g(x)] है। 

गणना:

यहाँ, f(x) = 

f{f(x)} = 

= x

अतः विकल्प (3) सही है। 

Latest Airforce Group X Updates

Last updated on Jul 11, 2025

->Indian Airforce Agniveer (02/2026) Online Form Link has been activated at the official portal. Interested candidates can apply between 11th July to 31st July 2025.

->The Examination will be held 25th September 2025 onwards.

-> Earlier, Indian Airforce Agniveer Group X 2025 Last date had been extended.

-> Candidates applied online from 7th to 2nd February 2025.

-> The online examination was conducted from 22nd March 2025 onwards.

-> The selection of the candidates will depend on three stages which are Phase 1 (Online Written Test), Phase 2 ( DV, Physical Fitness Test, Adaptability Test), and Phase 3 (Medical Examination).

-> The candidates who will qualify all the stages of selection process will be selected for the Air Force Group X posts & will receive a salary ranging of Rs. 30,000.

-> This is one of the most sought jobs. Candidates can also check the Airforce Group X Eligibility here.

More Composition of Functions Questions

More Relations and Functions Questions

Hot Links: teen patti master online teen patti party teen patti sequence teen patti live