(455) raise to the power 2 - (454) raise to the power 2
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Q]( 455) raise to the power 2 - (454) raise to the power 2
ANS ]
[ 455 ]^2 = 207,025.
[ 454]^2 =206,116
Therefor ,
=207,025 - 206,119.
= 909
theeta:
the idea is to use the a square minus b square method which means 455^2-454^2 (equivalent to a^2-b^2=(a-b)(a+b) ) = (455-454)(455+454)=909
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