At what rate percent compound interest ,does a sum of money become 1.44 times of itself in 2 years?
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31
1.44p = p { 1+ r/100} ^2
√1.44={1+r/100}
1.2=1+ r/100
1.2-1 =r/100
.2 ×100=r
r =20%
√1.44={1+r/100}
1.2=1+ r/100
1.2-1 =r/100
.2 ×100=r
r =20%
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