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NDA Math Coordinate System and Straight Line

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Question : 56

Total: 92

What is the acute angle between the pair of straight lines √2x+√3y=1 and √3x+√2y=2?

tan−1(‌‌
1
2√6
)
tan−1(‌‌
1
√2
)
tan−1(3)
tan−1(‌‌
1
√3
)

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