1
GATE CSE 2025 Set 2
MCQ (Single Correct Answer)
+1
-0.33

If $A=\left(\begin{array}{cc}1 & 2 \\ 2 & -1\end{array}\right)$, then which ONE of the following is $A^8$ ?

A
$\left(\begin{array}{cc}25 & 0 \\ 0 & 25\end{array}\right)$
B
$\left(\begin{array}{cc}125 & 0 \\ 0 & 125\end{array}\right)$
C
$\left(\begin{array}{cc}625 & 0 \\ 0 & 625\end{array}\right)$
D
$\left(\begin{array}{cc}3125 & 0 \\ 0 & 3125\end{array}\right)$
2
GATE CSE 2025 Set 2
MCQ (Single Correct Answer)
+1
-0.33

The value of $x$ such that $x>1$, satisfying the equation $\int_1^x t \ln t d t=\frac{1}{4}$ is

A
$\sqrt{e}$
B
$e$
C
$e^2$
D
$e-1$
3
GATE CSE 2025 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Let $L, M$, and $N$ be non-singular matrices of order 3 satisfying the equations $L^2=L^{-1}, M=L^8$ and $N=L^2$. Which ONE of the following is the value of the determinant of $(M-N)$ ?

A
0
B
1
C
2
D
3
4
GATE CSE 2025 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Let $P(x)$ be an arbitrary predicate over the domain of natural numbers. Which ONE of the following statements is TRUE?

A
$(P(0) \wedge(\forall x[P(x+1)])) \Rightarrow(\forall x P(x))$
B
$(P(0) \wedge(\forall x[P(x) \Rightarrow P(x-1)])) \Rightarrow(\forall x P(x))$
C
$(P(1000) \wedge(\forall x[P(x) \Rightarrow P(x-1)])) \Rightarrow(\forall x P(x))$
D
$(P(1000) \wedge(\forall x[P(x) \Rightarrow P(x+1)])) \Rightarrow(\forall x P(x))$
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