1.

Simplify (11.998)3 = ?1). 1727.1362). 1331.1363). 1685.1364). 1700.136

Answer»

We know that

(a – B)3 = a3 – b33AB(a – b)

So, (11.998)3

⇒ (12 – 0.002)3

⇒ (12)3 – (0.002)3 – 3(12)(0.002)(12 – 0.002)

1728 – 0.000000008 – 0.863856

⇒ 1727.136


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