Question

If n(A)=22 and n(B)=18 and n(A∩B)=14 then find no(A) and no(B)?

Answer 1

n ( A U B ) = 22 + 18 - 14

= 26

BRAINLIEST ❤️

Answer 2

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$\Huge{\blue{\underline{\textsf{Answer}}}}$

$\textbf{We \ know \ that}$

$\leadsto$ $\sf n(A \cup B) = n(A) + n(B) + n(A \cap B)$

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$\textbf{Here \ we \ are \ given \ with}$

$\leadsto$ $\sf n(A) = 22, n(B) = 18, n(A \cap B)$

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$\textbf{Substitute \ these \ values \ in \ above \ formula }$

$\leadsto$ $\sf n(A \cup B) = 22 + 18 - 14$

$\leadsto$ $\sf {\therefore n(A \cup B) = 26}$

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