If x2 +5y2+z2 = 2y(2x+z) then which of the following statements are necessarily true?
A. x = 2y B. x = 2z C. 2x=z

Options
- only A
- only B and C
- only A and B
- none


CORRECT ANSWER : only A and B

Write your comments


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)


Advertisement