la? a? -(b - c)2 bc b2b2 -(c - a) c...
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la? a? -(b - c)2 bc b2b2 -(c - a) ca = (a - b) (b -c) (c-a) (a + b + c) (22 +62 + ?) c2c2-(a - b)2 ab

JEE/Engineering Exams
Maths
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( left|begin{array}{ccc}a^{2} & a^{2}-(b-c)^{2} & b c b^{2} & b^{2}-(b-c)^{2} & a c c^{2} & c^{2}-(a-b)^{2} & a bend{array}right| ) ( C_{2} rightarrow C_{2}-2 C_{1}-2 C_{3} ) ( left|begin{array}{ccc}a^{2} & -left(a^{2}+b^{2}+c^{2}right) & b c b^{2} & -left(a^{2}+b^{2}+c^{2}right) & a c c^{2} & -left(a^{2}+b^{2}+c^{2}right) & a bend{array}right| ) ( -left(a^{2}+b^{2}+c^{2}right)left|begin{array}{ccc}a^{2} & 1 & b c b^{2} & 1 & a c c^{2} & 1 & a bend{array}right| ) ( R_{1} rightarrow R_{1}-R_{2}, R_{2} rightarrow R_{2}-R_{3} ) ( -left(a^{2}+b^{2}+c^{2}right)left|begin{array}{lll}a^{2}-b^{2} & 0 & b c-a< b^{2}-c^{2} & 0 & a c-a b c^{2} & 1 & a bend{array}right| ) on expandug you ( w u l g l- ) ( (b-c)(c-a)left(a^{2}+b^{2}+c^{2}right) )
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