Question

Practice set 5.2
1. Expand
(a) ( k+4)^3
(b) (7x+8y)^3
(c) (7+m)^3
(d) (52)^3
(e) (101)^3
(f) {x+1/x}^3
(g){2m + 1/5}^3
(h){5x/y + y/5x}^3​

Answer 1

Answer:

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Answer 2

Answer:

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(a) ( k+4)^3

(b) (7x+8y)^3

(c) (7+m)^3

(d) (52)^3

(e) (101)^3

(f) {x+1/x}^3

(g){2m + 1/5}^3

(h){5x/y + y/5x}^3