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If `c^2 = a^2 + b^2, 2s = a + b + c`, then `4s(s-a) (s - b)(s-c)`A. `s^(4)`B. `b^(2)c^(2)`C. `c^(2)a^(2)`D. `a^(2)b^(2)` |
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Answer» Correct Answer - D If `c^(2)=a^(2)+b^(2)` ………. `c^(2)=a^(2)+b^(2) implies lt C = (pi)/(2)` `:. Delta = (1)/(2)ab sin C = (1)/(2)ab` `implies sqrt(s(s-a)(s-b)(s-c)) = (1)/(2)ab` `implies 4s (s-a) (s-b) (s-c) = a^(2)b^(2)` . |
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