👤

Calculati media aritmetica a numerelor .. a=8-3radical din 7 + 1 supra doi si b=24

Răspuns :

a=8-3√ 7 + 1 /2 si b=24ma=(a+b):2=(8-3√7+1/2+24):2=(65-6√7)/4


a= 8-3 √7 + 1 /2 (3+ √ 7 )² si b= 24

a+b=
8-3 √7 + 1 /2 (3+ √ 7 )²+24=8-3 √7 + 1 /2 (9+ 6√ 7 +7)+24=8-3 √7 + 1 /2 (16+ 6√ 7 )+24=8-3 √7 + 2 /2 (8+ 3√ 7 )+24=8-3 √7 + 8+ 3√ 7 +24=24+16=40
ma=(a+b):2=40:2=20