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CMI2010-A-07
For integer values of $n$, the expression $\frac{n(5n + 1)(10n + 1)}{6}$ Is always divisible by $5$. Is always divisible by $3$. Is always an integer. None of the above
For integer values of $n$, the expression $\frac{n(5n + 1)(10n + 1)}{6}$Is always divisible by $5$.Is always divisible by $3$.Is always an integer.None of the above
1 answer
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Made easy books GATE - 2015( IN ) 1 mark
Let $A$ be a $n\times n$ matrix with rank $ r ( 0 < r < n ) .$Then $AX = 0$ has $p$ independent solutions,where $p$ is $A)$ $r$ $B)$ $n$ $C)$ $n - r $ $D)$ $n + r$
Let $A$ be a $n\times n$ matrix with rank $ r ( 0 < r < n ) .$Then $AX = 0$ has $p$ independent solutions,where $p$ is$A)$ $r$ $B)$ $n$ $C)$ $n - r...