If x/y = 1/3, then the value of (x2 + y2)/(x2 - y2) is-
Solution
Correct Answer: Option C
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)
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)
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