1.

Find the cubes of:(i) -11(ii) -12(iii) -21

Answer»

(i) -11

(-11)3 = -11× -11× -11 

= -1331

(ii) -12

(-12)3 = -12× -12× -12 

= -1728

(iii) -21

(-21)3 = -21× -21× -21 

= -9261



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