Example1. Check the given equation `x^2+6x+9` is perfect square or not
Solution: `x^2+6x+9`
Here `"F.T. = x^2, M.T. = 6x and L.T. = 9`
`(M.T.)^2 = (6x)^2 = 36x^2`
`4(F.T.)(L.T.) = 4 * x^2 * 9=36x^2`
`:. (M.T.)^2 = 4(F.T.)(L.T.)`
`:.` given polynomial is a perfect square.
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