If x/y = 1/3, then the value of (x2 + y2)/(x2 - y2) is-
Solution
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
⇒ x2 / y2 = 1/9
⇒ x2 + y2 / x2 - y2 = 1+9/1-9
⇒ x2 + y2 / x2 - y2 = 10/-8
= 5/-4
=-5/4
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