घातक्रिया
- ghatakriya (aangrezi:Involution, inav aaulyooshan) aankaganit ki ek kriya hai, jisamean kisi sankhya ko lagatar apane se do ya adhik bar guna kiya jata hai.
- jitane bar guna kiya jata hai, vah us sankhya ka ghat kahalata hai.
- ghat ko sankhya ke oopar dahini or tho da hatakar likha jata hai; is prakar 4³ = 64. ghat-sanket ke avishkar ke pahale yoonani dvitiy ghat ko 'chatushkon sankhya' athava 'ghat' kahate the. dayofaiantas ne 275 eesavi ke lagabhag 'tritiy ghat' ko 'ghan' kaha, 'chaturth ghat' ko 'ghataghat' aur 'panchamaghat' ko 'ghatadhan', ityadi.
- is namavali mean ghatoan ko jo dane ka niyam barata gaya hai.
- ghat kriya mool kriya ka vilom hai. mool kriya mean sankhya ka koee mool jnat kiya jata hai.
- prakshep jyamiti mean ghat kriya ek rrijurekha par sthit bianduoan mean, athava ek pat-soochi (Flat pencil) ki rekhaoan mean, athava samakshi soochi (Axial pencil) ke samataloan adi mean, visheshaprakar ka ek sanbandh hai.
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sanbandhit lekh
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