For the following questions answer them individually
Which of the followingis true?
What is the sum to infinity of the series,
$$3+6x^{2}+9x^{4}+12x^{6}+$$........given $$\mid x$$ < 1 ?
$$\lim_{x \rightarrow o} \frac{\sqrt{1+x}-\sqrt{1-x}}{x}$$ is given by
If (G, -) is a group such that $$(ab)^{-1} =a_{-1} b^{-1}$$, $$\forall a,b \in G$$ then G is $$\frac{a}{an}$$
A given connected graph G is a Euler Graphif and only if all vertices of G are of
Maximum number of edges in a n—node undirected graph withoutself-loops is
The mimmum number of NAND gates required to implement the Boolean function $$A+A \bar B+A \bar B C $$ is equal to
The minimum Boolean expression for the following circuit is
For a binary half-subtractor having two inputs A and B, the correct set of logical expression for the outputs D (= A minus B) and X = borrow) are
Consider the following gate network
Which one of the following gates is redundant?