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  • Mixed Mathematics (Sainik School Entrance Exam)
  • If x2 + y2 = 10 & xy = 2, then the value of (x + y)2 is
Multiple choice

If x2 + y2 = 10 & xy = 2, then the value of (x + y)2 is

  1. 14

  2. 18

  3. 6

  4. 16

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

(x + y)2 = x2 + y2 + 2xy = 10 + 2.2 = 14 Hence, this option is correct.

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