Question

Evaluate using a identity :-(1. 93)^3+(0.07)^3-(2)^3

Answer 1

Answer:

$<p style="color:cyan;font-family:cursive;background:black;font size:40px;"> This is an illustration of the identity {a}^{3} \: + {b}^{3} + {c}^{3} = 3abc \\ if \: a + b + c = 0</p><p></p><p>Here, a = 1.93</p><p></p><p>b = 0.07</p><p></p><p>c = 2</p><p></p><p>Here a+b+c=1.93+0.07-2 = 2-2 = 0</p><p></p><p>Therefore, we can use this identity and the answer = 3×1.93×0.07×2 = 0.8106 </p>$

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