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Are the functions are same?

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ment from $B$) ===== Example ===== Consider $A=\mathbb{N}$, $B=\mathbb{R}$ and $f(x)=x+1$. Clearly we see $1 \mapsto 2$, $\quad 2 \mapsto 3$, $\quad 3 \mapsto 4$ and so on.\\ Here Domain of $f = \mathbb{N}$ Now if consider $A=\mathbb{R}$, $B=\mathbb{R}$ and $g(x)=x+1$,\\ then obviously Domain of $f=\ma

What is the value of pi?

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=== <WRAP center round red 70%> The number π is a mathematical constant, the ratio of a circle's circumf

Its about square root

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to consider both the answers. Conventionally in mathematics $\sqrt{4}$ only denotes positive square ro