यदि 16x2 + 9y2 + 4z2 = 24 (x-y+z)-61 है, तो (xy-2z) का मान होगा -

  • 1

    1

  • 2

    2

  • 3

    5

  • 4

    3

Answer:- 3

Post your Comments

Your comments will be displayed only after manual approval.

Test
Classes
E-Book