• Call Us : 03082533000 (WhatsApp)
  • Email Us : TestPointpk.com@gmail.com
Sticky Note
If xy = 35 and x + y = 12, what is the value of x² + y²?
  1. 74
  2. 75
  3. 76
  4. None of these
Explanation

Given:

xy = 35

x + y = 12

To find x² + y²:

(x + y)² = x² + 2xy + y²

144 = x² + 2(35) + y²

144 = x² + 70 + y²

x² + y² = 144 - 70

= 74

Related MCQs

  1. The point will always lie on the y-axis.
  2. The point will always lie on the x-axis.
  3. The point will always lie in the first quadrant.
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں

  1. 21
  2. 22
  3. 23
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں

  1. 17
  2. 15
  3. 19
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں

  1. 40
  2. 45
  3. 50
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں

  1. 8x + 5 = 0
  2. 8(x + 5) = x
  3. 8x = x + 5
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں

All Rights Reserved © TestPointpk.com