If a+b+c=9 and a2+b2+c2=35, find the value of a3 +b3 +c3 -3abc.

Q4 of 84 Page 4

If a+b+c=9 and a²+b²+c²=35, find the value of a³ +b³ +c³ -3abc.

Using the identity,

If x+y+z = 8 and xy+yz+zx =20, find the value of x³ +y³ +z³ -3xyz.

If a+b+c=9 and ab+bc+ca=26, find the value of a³ +b³ +c³ -3abc.

Evaluate :

(i) 25³ – 75³ + 50³

(ii) 48³ – 30³ - 18³

(iii)

(iv) (0.2)³ – (0.3)³ + (0.1)³

If x+ =3, then find the value of x²+.