Evaluate :(i) 253 – 753 + 503(ii) 483 – 303 - 183(iii) (iv) (0.2)3 – (0.3)3 + (0.1)3

Q5 of 84 Page 4

Evaluate :
(i) 25³ – 75³ + 50³

(ii) 48³ – 30³ - 18³

(iii)

(iv) (0.2)³ – (0.3)³ + (0.1)³

(i)

(ii)

(iii)

(iv)

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

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

If x+ =3, then find the value of x²+.

If x+ =3, then find the value of x⁶+.