Question

if x:y = 2:1 then (x^2-y^2):(x^2+y^2)=? A) 3:5 B) 5:3 C) 1:3 D) 3:1

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

A) 3:5

Step-by-step explanation:

if x:y = 2:1

then, x.=2

y = 1

x²-y²= 2²-1²=4-1=3

x²+y²= 2²+1²=4+1=5

then, the answer is 3:5

option :- (A)

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