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2. Polynomials
medium
યોગ્ય નિત્યસમનો ઉપયોગ કરીને કિમંત મેળવો : $(102)^{3}$
A
$1061208 $
B
$1079208 $
C
$1061067$
D
$1071210$
Solution
$102 =100+2 $
$(102)^{3} $
$=(100+2)^{3}$
$=(100)^{3}+(2)^{3}+3(100)(2)[100+2]$
$=1000000+8+600[100+2]$
$=1000000+8+60000+1200$
$=1061208 $
Standard 9
Mathematics