Recent questions in Engineering Mathematics

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211
Domination set and MIS are the same?
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212
which of the following statements is true:a complete graph is $(N-1)$ regulara $(N-1)$ regular is a complete graph
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213
Find the basic feasible solutions of the system of equations :-$x_1+x_2+x_3=8,$$3x_1+2x_2=18,$$x_1,x_2,x_3≥ 0$
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214
Can someone verify the above inferences?
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215
‘either or’ can be taken as union in discrete mathematics?
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218
rank of a matrix = number of non-zero eigenvalues always?
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220
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221
why option 2 is not a distributive lattice ? i solved this and found that there are each vertex has only either one or zero complement i think it is distributive lattic...
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224
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225
How do we solve this question: $\lim n \to \infty \sqrt{n^2 + n} - {\sqrt{n^2 +1}}$
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226