.If a = 2 , b = ­3 then the value of $27a^{3}-54a^{2}b+36ab^{2}-8b^{3}$ is

.If a = 2 , b = ­3 then the value of $27a^{3}-54a^{2}b+36ab^{2}-8b^{3}$ is
1). 1562
2). 1616
3). 1676
4). 1728

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