

P[(113/100)2-(112/100)2]=225
P=10000
37^2= 1369, so 39 should be added to 1330 to make it a perfect square.
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Population 3 years ago = P/(1+r100)3
(1+r100)3 = P/b
Population after 3 years = P*(1+r100)3
c = P*(P/b)
P = √??
Log2.3 = log(23/10) = log 23- log 10=0.3617
So log23=1.3617
Similarly Log0.23=1.3617 – 2 = -0.6383 and log0.023= 1.3617 – 3 = -1.6383
So, 1.3617 – 0.6383 – 1.6383 = - 0.9149
3/5*2/3*3/5+2/5*1/3*3/5+2/5*2/3*2/5=32/75 Ans
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