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:

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