p228 q20c given area of triangle find the min. area i put r --> infinty then A = 2 but it is wrong. the answer of my book says A=3/2 thanks in advance
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Originally Posted by afeasfaerw23231233 p228 q20c given area of triangle find the min. area i put r --> infinty then A = 2 but it is wrong. the answer of my book says A=3/2 thanks in advance A achieves minimum when is maximum. But With equality at r=1. So minimum of A is achieved at r=1.And that is A = 3/2.
how to prove if it is , then
Originally Posted by afeasfaerw23231233 how to prove [snip] To prove that you only have to prove that . Draw a graph of and and it's not hard to see (and then prove) that the line is tangent to at (1, 2) ........
Originally Posted by Isomorphism [tex][snip]when is maximum. [snip]at r=1. [snip] This result can also be easily proved using calculus.
@mr fantastic: .
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