MCQ
$yz $ સમતલમાં બિંદુ $(a, b, c)$ નો પ્રક્ષેપ :
- A$(0, b, c)$
- B$(a, 0, c)$
- C$(a, b, 0)$
- D$(a, 0, 0)$
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$f ( n )=\left[\begin{array}{ll}2 n , \,\,\, \,\,\,\,\,\,n =2,4,6,8, \ldots . \\ n -1,\,\,\, n =3,7,11,15, \ldots . \\ \frac{ n +1}{2}, \,\,\, \,\,\,n =1,5,9,13, \ldots \ldots\end{array}\right.$
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