If m - n, m, m + n are the lengths of the sides of an obtuse angled triangle, then find minimum and maximum value of n.
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Solution
Δ is obtused greatest side will bem+n. Smallest side will be m−n, We know that , sum of two sides of a Δ is greater than 3rd side. ∴m+m−n>m+n. 2m−n>m+n. 2m−m>n+n. m>2n or 2n<m n<m2