Recent questions tagged goclasses-cs-dpp-day-223

4 4 votes
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Consider matrix $A =$ $\begin{bmatrix} k &2k \\ k^{2}-k &k^{2} \end{bmatrix}$ and $x =$ $\begin{bmatrix} x1\\x2 \end{bmatrix}$The number of distinct real values of $k$ f...
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An arbitrary vector $X$ is an eigen vector of the vector of the matrix $A = \begin{pmatrix}1 & 0 & 0 \\0 & a & 0 \\0 & 0 & b\end{pmatrix}$, if $(a, b)=$$(0, 0)$ $(1, 1)$ ...
4 4 votes
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$A$ is $m \times n$ full rank matrix with $m>n$ and $I$ is an identity matrix. Let matrix $A’ = (A^TA)^{-1} A^T$. Then which of the following statement(s) is(are) FALSE?$...
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Let $A$ be $n \times n$ matrix, $A^{n}$ = $A^{n-1}$ for $n \geq 1$ and $A^{0}=I$, Which of following is true?$A^{m}$ .$A^{n}$ =$A^{m+n}$ $(A^{m})^{n}=A^{mn}$ both A and B...
6 6 votes
5 5 answers
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Let A be a $4 \times 4$ matrix with real entries such that $-1,1,2,-2$ are its eigen values. If $B=A^4- 5 \mathrm{~A}^2+5 I$ where $I$ denotes $4 \times 4$ identity matri...
4 4 votes
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Let $\mathrm{p}=$ "It is cold" and $\mathrm{q}=$ "It is raining." Which of the following is the correct verbal translation of $ q\vee \neg p$ ?It is not raining or it is ...
5 5 votes
3 3 answers
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In classical propositional logic, which of the following correctly distinguishes inclusive OR (v) from exclusive OR ( $\oplus$ )?$p \vee q$ is TRUE when at least one of $...
4 4 votes
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For each of the following sentences, determine which involve an EXCLUSIVE OR (meaning one or the other but not both). Select all that apply.Experience with C++ or Java is...
4 4 votes
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Which of the following conditional statements is FALSE?If $1+1=3$, then unicorns exist.If $1+1=3$, then dogs can fly.If $1+1=2$, then dogs can fly.If $2+2=4$, then $1+2=3...
4 4 votes
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Determine which of the following conditional statements are TRUE. Select all that apply.If $1+1=2$, then $2+2=5$.If $1+1=3$, then $2+2=4$.If $1+1=3$, then $2+2=5$.If monk...
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