Evaluate:
[tex](ii)(98) {}^{3} [/tex]
And can you please explain it when you write the answer, because I don't know how to do it
[tex](ii)(98) {}^{3} [/tex]
And can you please explain it when you write the answer, because I don't know how to do it
Answers & Comments
Verified answer
Answer:
please check the above attachment. hopethis helps you
Answer:
(98)³ can be written as (100-2)³
Now by using(a-b)³ formula we
can evaluate (100-2)³
(a-b)³=a³-3a²b+3ab²-b³
(100−2) ³ =(100)³ −(2)³ −3×(100)²
×2+3×100×2 ²
=1000000−8−60000+1200
=941192.