Question 455755
Area=l*b
perimeter=2(l+b)
l*b=2 --eq-1
2(l+b)=6 --eq-2
In equation no-1
l*b=2
l=2/b
Substitute this value into equation no-2
2(l+b)=6
After Substituting l=2/b
2(2/b+b)=6
2{{{(2+b^2/b)}}}=6
{{{4+2b^2/b}}}=6
4+{{{2b^2}}}=6b
{{{2b^2}}}=6b-4