If x/y = 1/3, then the value of (x²+ y²)/(x² - y²) is-

A - 10/9

B 5/4

C - 5/3

D - 5/4

Correct Answer: Option D

দেওয়া আছে, x/y = 1/3
⇒ x² / y² = 1/9
⇒ x² + y² / x² - y² = 1+9/1-9
⇒ x² + y² / x² - y²= 10/-8
= 5/-4
=-5/4

If x/y = 1/3, then the value of (x2 + y2)/(x2 - y2) is-