Without actual multiplication , Evaluate the following:
(a) 108square
(b) 403square
(c) 10.2square
Answers
Answered by
17
(a) 108^2 = (100+8)^2 = (100)^2+(8)^2+2(100)(8) = 10000+64+1600 = 11664
similarly calculate others..
similarly calculate others..
AmanRajSinghania:
thnx for brainliest..
wlcm
You answered first
how we will do 10.5square???
perfect answer
(10.5)^2=(10+0.5)^2=(10)^2+(0.5)^2+2(10)(0.5)=100+0.25+10=110.25
thnx
welcome dear
thnx....
wlcm
Answered by
12
1. 108square= (100+8)^2= 100^2+2*100*8+8^2= 10000+1600+64=11664
Do others as as done above
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