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    				| 1. | निम्न प्रकार परिभाषित फलन की x = 0 पर सांतत्यता की जाँच कीजिये - ` f ( x ) = {{:( x ^(3)- 2,,", यदि " x le 0 ), ( 1,,", यदि " x gt 0 ):} ` | 
| Answer» यदि ` x = 0 `, तब ` f ( 0 ) = 0 ^(3) - 2 = - 2 ` दायीं सीमा = ` lim _ ( x to 0 ^(+) ) f ( x) = lim _ ( h to 0 ) f ( 0 + h ) = lim _ ( h to 0 ) 1 = 1 ` बायीं सीमा ` = lim _ ( x to 0 ^(-)) f ( x ) = lim _ ( h to 0 ) f ( 0 - h ) = lim _ ( h to 0 ) [ ( - h ) ^(3) - 2 ] = - 2 ` ` rArr ` दायीं सीमा `ne ` बायीं सीमा इसलिए फलन ` f ( x ) `, बिंदु ` x = 0 ` पर सतत नहीं है | | |