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ضوء :ينعكس ضوء مصباح على حائط مشكلاً قطعاً مخروطياً افترض أن معادلة القطع هي:      

 
3 y 2 2y4 x 2 +2x8=0 MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4HqaqFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaG4maiaadMhadaahaaWcbeqaaiaaikdaaaGccqGHsislcaaIYaGaamyEaiabgkHiTiaaisdacaWG4bWaaWbaaSqabeaacaaIYaaaaOGaey4kaSIaaGOmaiaadIhacqGHsislcaaI4aGaeyypa0JaaGimaaaa@449F@      

 
اكتب معادلة منحنى القطع الذي يمثل انعكاس الضوء على الصورة القياسية .      
1  =  36 97 (y 1 3 ) 2 −  48 97 ( x 1 4 ) 2 MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4HqaqFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaSaaaeaacaaIZaGaaGOnaaqaaiaaiMdacaaI3aaaaiaacIcacaWG5bGaeyOeI0YaaSaaaeaacaaIXaaabaGaaG4maaaacaGGPaWaaWbaaSqabeaacaaIYaaaaOGaeyOeI0YaaSaaaeaacaaI0aGaaGioaaqaaiaaiMdacaaI3aaaamaabmaabaGaamiEaiabgkHiTmaalaaabaGaaGymaaqaaiaaisdaaaaacaGLOaGaayzkaaWaaWbaaSqabeaacaaIYaaaaaaa@485B@
1  =  36 97 (y 1 4 ) 2 −  48 97 ( x 1 3 ) 2 MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4HqaqFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaSaaaeaacaaIZaGaaGOnaaqaaiaaiMdacaaI3aaaaiaacIcacaWG5bGaeyOeI0YaaSaaaeaacaaIXaaabaGaaG4maaaacaGGPaWaaWbaaSqabeaacaaIYaaaaOGaeyOeI0YaaSaaaeaacaaI0aGaaGioaaqaaiaaiMdacaaI3aaaamaabmaabaGaamiEaiabgkHiTmaalaaabaGaaGymaaqaaiaaisdaaaaacaGLOaGaayzkaaWaaWbaaSqabeaacaaIYaaaaaaa@485B@
1  =  3 97 (y 1 3 ) 2 −  4 97 ( x 1 4 ) 2 MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4HqaqFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaSaaaeaacaaIZaGaaGOnaaqaaiaaiMdacaaI3aaaaiaacIcacaWG5bGaeyOeI0YaaSaaaeaacaaIXaaabaGaaG4maaaacaGGPaWaaWbaaSqabeaacaaIYaaaaOGaeyOeI0YaaSaaaeaacaaI0aGaaGioaaqaaiaaiMdacaaI3aaaamaabmaabaGaamiEaiabgkHiTmaalaaabaGaaGymaaqaaiaaisdaaaaacaGLOaGaayzkaaWaaWbaaSqabeaacaaIYaaaaaaa@485B@
1  =  36 12 (y 1 3 ) 2 −  48 12 ( x 1 4 ) 2 MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4HqaqFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaSaaaeaacaaIZaGaaGOnaaqaaiaaiMdacaaI3aaaaiaacIcacaWG5bGaeyOeI0YaaSaaaeaacaaIXaaabaGaaG4maaaacaGGPaWaaWbaaSqabeaacaaIYaaaaOGaeyOeI0YaaSaaaeaacaaI0aGaaGioaaqaaiaaiMdacaaI3aaaamaabmaabaGaamiEaiabgkHiTmaalaaabaGaaGymaaqaaiaaisdaaaaacaGLOaGaayzkaaWaaWbaaSqabeaacaaIYaaaaaaa@485B@
            
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