Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (সহকারী পরিচালক) - ২৮.১০.২০২২
If x/y = 1/3, then the value of (x2+ y2)/(x2- y2) is-
If x/y = 1/3, then the value of (x2+ y2)/(x2- y2) is-
ক)
- 10/9খ)
5/4গ)
- 5/4ঘ)
- 5/3Explanation
দেওয়া আছে , x/y =1/3 বা, (x/y)²=(1/3)² বা,x²/y²=1/9 বা,(x²+y²)(x²-y²) =(1/+9)/(1-9) বা, (x²+y²)/(x²-y²) =10/-8 = 5/-4 = - (5/4)Related questions
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