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Question

If three points (0,0),(3,45) and (3,λ) form en equilateral triangle, then the value of λ, is _______.

A
96
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B
18
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C
50
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D
None of the above values of λ makes an equilateral triangle
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Solution

The correct option is D None of the above values of λ makes an equilateral triangle
given A(0,0),B(3,45),C(3,λ) forms equilateral triangle

All lengths must be equal

AB=AC

AB=2034,AC=9+λ2

λ=45

There cannot be an equilateral triangle with these values

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