Question

3) If a3 + b3 + c
20 then​

Answer 1

Answer:

If a+b+c =11 and (ab+bc+ca )=20,then find ... Learn more: If a + b + c = 1, a2 +b2+c2=9, a3+b3+c3=1 find 1/a + 1/b + 1/c.