Question

By using suitable identity, find the value of(a) (-6)^ 3 + 13^3 + (-7)^ 3 (b) (-21)^ 3 + (28)^ 3(c) (9.8)^ 3 - (11.3)^ 3 + (1.5)^ 3(d) (8/15)^ 3 + (-1/3)^3 + (-1/5)^ 3

Answer 1

Answer:

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