Find The Number Of Values Of T For Which The System Of Equations Has Non-trivial Solution.

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Question

Find the number of values of t for which the system of equations







has non-trivial solution.

3
4
5
6

easy

Solution

Correct option is

3

The given system of equations will have a non-trivial solution if

Clearly âˆ† is a cubic polynomial in t and has 3 roots.

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