यदि ; x > 1, तो x- 3x + 2 का मान किसके बराबर है?

This question was previously asked in
CDS Elementary Mathematics 3 Sep 2023 Official Paper
View all CDS Papers >
  1. 0
  2. 1
  3. 18
  4. 20

Answer (Detailed Solution Below)

Option 4 : 20
Free
UPSC CDS 01/2025 General Knowledge Full Mock Test
120 Qs. 100 Marks 120 Mins

Detailed Solution

Download Solution PDF

Shortcut Trick 

गणना:

स्पष्टतः, हम देख सकते हैं कि x = 6 पर,

बायाँ पक्ष = दायाँ पक्ष

इसलिए,

x- 3x + 2 = 62 - 3 × 6 + 2

x- 3x + 2 = 36 - 18 + 2

∴ x- 3x + 2 = 20

Alternate Method  दी गई है:

- www.pehlivanlokantalari.com

की गणना करें

प्रयुक्त अवधारणा:

भिन्नों की पुनरावृत्ति और सरलीकरण के बाद बीजीय सरलीकरण।

गणना:

आइये पुनरावृत्ति को हल करें:

⇒ माना .

⇒ तब

को पुनः प्रतिस्थापित करें, जहाँ

या (चूँकि , )

अब, की गणना करें:

को  में प्रतिस्थापित करें,

.

Latest CDS Updates

Last updated on Jun 26, 2025

-> The UPSC CDS Exam Date 2025 has been released which will be conducted on 14th September 2025.

-> Candidates had applied online till 20th June 2025.

-> The selection process includes Written Examination, SSB Interview, Document Verification, and Medical Examination.  

-> Attempt UPSC CDS Free Mock Test to boost your score.

-> Refer to the CDS Previous Year Papers to enhance your preparation. 

More Simplification Questions

Hot Links: teen patti rummy teen patti tiger teen patti real cash