( 7.) Evaluate the following using suitable identities
0 (102)3
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Step-by-step explanation:
ANSWER
Let us rewrite (102)
3 as (100+2) 3
Now using the identity (a+b)
3
=a 3 +b 3 +3ab(a+b), we get(100+2) 3 =100 3 +2 3 +[(3×100×2)(100+2)]
=1000000+8+(600×102)
=1000000+8+61200
=1061208
Hence, (102) 3
=1061208
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Step-by-step explanation:
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