Q2. Evaluate 1113 , using a suitable identity.
Answers
Answered by
0
Answer:
(1000+100+13) (1000+100+13)
1000(1000+100+13)+100(1000+100+13)+13(1000+100+13)
1000000+100000+13000+100000+10000+1300+13000+1300+169
1238769 And.
Answered by
1
Answer:
1367631
Step-by-step explanation:
111^3=(100+11)^3
we know that (a+b)^3=a^3+b^3+3a^2b+3ab^3
(100+11)^3=100^3+11^3+3*100^2*11+3*100*11^2
=1000000+1331+330000+36300
=1367631
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