If $$A=4x+22x$$−$$3x+1$$ is an invertible matrix, then x cannot take value

Correct option is 4none of these

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If $A = [\begin{array}{cc} 4 & x + 2 \\ 2 x - 3 & x + 1 \end{array}]$ is an invertible matrix, then x cannot take value

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detailed solution

Correct option is D

|A|≠0⇒4(x+1)−(2x−3)(x+2)≠0⇒2x2−3x−10≠0⇒x≠3±894

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If A=4x+22x−3x+1 is an invertible matrix, then x cannot take value

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If $A = [\begin{array}{cc} 4 & x + 2 \\ 2 x - 3 & x + 1 \end{array}]$ is an invertible matrix, then x cannot take value