CSIT Entrance Preparation MCQ Questions - Hamro CSIT

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If f ( x ) = 3 x − 2 for x ∈ R , then f − 1 ( 7 ) =

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The range of the function f ( x ) = √ x − 3 is

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The function f ( x ) = x 4 + 5 is symmetrical about

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If \(a, b, c, d, \ldots\) are in G.S., then \(\frac{1}{a}, \frac{1}{b}, \frac{1}{c}, \frac{1}{d}\) are in

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If \(A=\begin{bmatrix}2 & 5\\3 & 7\end{bmatrix}\), then \(A^{-1}=\)

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If \(A\) is a square matrix, then \(A + A^T\) is

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If one root of a quadratic equation is \(\frac{1}{3+\sqrt{5}}\), then the quadratic equation is

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The least positive integer \(k\) which will reduce \(\left(\frac{i-1}{i+1}\right)^k\) to a real number is

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If \(\tan^{-1}(2x)+\tan^{-1}(3x)=\frac{\pi}{4}\), then \(x=\)

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If \(\sin^2x=\frac{1}{2}\), then for \(n\in\mathbb{Z}\), \(x=\)

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