यदि a2+4b2+49c2 +18 = 2(2b + 28c-a)है, तो (3a + 2b + 7c) का मान कितना  है?

  • 1

    0

  • 2

    2

  • 3

    1

  • 4

    3

Answer:- 2

Post your Comments

Your comments will be displayed only after manual approval.

Test
Classes
E-Book