यदि है, तो x + y + z किसके बराबर है?

This question was previously asked in
NDA-II 2024 (Maths) Official Paper (Held On: 01 Sept, 2024)
View all NDA Papers >
  1. -1
  2. 0
  3. 1
  4. 3

Answer (Detailed Solution Below)

Option 2 : 0
Free
BSF HC RO/RM All India Mega Live Test
100 Qs. 200 Marks 120 Mins

Detailed Solution

Download Solution PDF

व्याख्या:

दिया गया है:

= k (मान लीजिये)

x = kcosθ

y = k

⇒ z = k

अब, x + y + z = k [cosθ + cos ]

= k [cosθ + 2cos]

= k[cosθ + 2 (]

= k[cosθ- cosθ ] =0

⇒ x + y + z =0

∴ विकल्प (b) सही है।

Latest NDA Updates

Last updated on May 30, 2025

->UPSC has released UPSC NDA 2 Notification on 28th May 2025 announcing the NDA 2 vacancies.

-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.

->The NDA exam date 2025 has been announced for cycle 2. The written examination will be held on 14th September 2025.

-> Earlier, the UPSC NDA 1 Exam Result has been released on the official website.

-> The selection process for the NDA exam includes a Written Exam and SSB Interview.

-> Candidates who get successful selection under UPSC NDA will get a salary range between Rs. 15,600 to Rs. 39,100. 

-> Candidates must go through the NDA previous year question paper. Attempting the NDA mock test is also essential. 

Hot Links: teen patti bindaas teen patti winner teen patti casino download