If (a - b) : (a + b) = 1 : 5 Then what is (a2 - b2) - Exam Yatra

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Territorial Army 2019 : Paper II
Reasoning
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SKINS
ADS

Red
Pink
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Deep Purple
Indigo
Blue
Light Blue
Cyan
Teal
Green
Light Green
Lime
Yellow
Amber
Orange
Deep Orange
Brown
Grey
Blue Grey
Black
White

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Reasoning

63

M: +1.00/-0.00

If (a - b) : (a + b) = 1 : 5

Then what is (a² - b²) : (a² + b²) equal to

[Territorial Army 2019 : Paper II]

A 6: 13

B 4 : 13

C 5 : 13

D 8 : 13

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