Answers

2015-05-07T18:17:08+05:30
A+2b=10
cubing both sides
(a+2b)^3=(10)^3
 a ^{3} + 8b ^{3} + 3(a)(2b)[a+2b] = 1000
a ^{3} + 8b ^{3} + 3(15)(10)= 1000
a ^{3} + 8b ^{3} = 700
3 3 3
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