What is x, if $$\ x^{3}=1.5^{3} - 0.9^{3}-2.43$$
Given : $$\ x^{3}=1.5^{3} - 0.9^{3}-2.43$$
= $$(1.5)^3-(0.9)^3-3\times1.5\times0.9\times0.6$$
= $$(1.5)^3-(0.9)^3-3(1.5)(0.9)(1.5-0.9)$$
= $$(1.5-0.9)^3=(0.6)^3$$
=> $$x=0.6$$
=> Ans - (B)
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