T in c0 HBH ABCD. mathcal Loy ^ prime E in AB sao - Dicamon

Question

T in c0 HBH ABCD. mathcal Loy ^ prime E in AB sao cho AE CF a) Af = CE CMR hat AEC = hat AFC phân tích a ) (x + 5) ^ 2; (2x - 5) ^ 2; 4x ^ 2 - 1/(9y ^ 2); 16x ^

Answer

Date A E B xét F hbh AFCE AEC AFC b ) ( - 5 4x² 25 ( R epsilon r +600)( R epsilon r -Ke)=( R epsilon r )-(x theta)= R6 r -cH; 111 r +x6h)( nn r -xh)= 2 ( Rm r )- 2 (xh)= .891 r

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