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If a + b = 8 and ab = 13, find the value of a2 - ab + b2.

This question was previously asked in
MP Police Constable Official Paper (Held On 15 Jan 2022 Shift 2)
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  1. 24
  2. 20
  3. 29
  4. 25

Answer (Detailed Solution Below)

Option 4 : 25
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Detailed Solution

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Given :

a + b = 8 , ab = 13

Formula used :

Calculation :

 or 

So,  

∴ The answer is 25 .

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Latest MP Police Constable Updates

Last updated on Mar 12, 2025

-> The MP Police Constable 2023 Final Merit List has been out on 12th March 2025.

-> MP Police Constable 2025 Notification will soon be released on the official website.

-> The The Madhya Pradesh Professional Examination Board (MPPEB) will announce more than 7500 Vacancies for the post of constable. 

-> Previously, the notification had invited eligible candidates to apply for 7,090 constable posts.

-> Candidates who have passed 10th or 12th are eligible to apply.

-> The final candidates selected will receive a salary between 19,500 and 62,600 INR.

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