x1+x2=4a
x1*x2=5a
x1²+2x1+x2=16a²
2x1*x2=10a
x1²+x2²=16a²-10a
16a²-10a-6=0
8a²-5a-3=0
D= 25+96= 121
a1= (5+11)/16= 1
a2= (5-11)/16= -3/8
y'=(x^2+2)' * (x^2-9)-(x^2+2)*(X^2-9)' / (X^2-9)^2
Ответ:
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Объяснение: