3 | 16 12 9) 3. If a + b = 10 and ab = 16, find the value of a² - ab + b² and a² + ab + b²
Answers
Answered by
0
Step-by-step explanation:
(1) a^2-ab+b^2
a^2+b^2-ab
(a+b)^2-ab
10^2-16
100-16
84
(2) a^2+ab+b^2
a^2+b^2+ab
(a+b)^2+ab
(10)^2+16
100+16
116
Similar questions