CBSE Class 12-commerce Answered

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Asked by felixlukose | 17 May, 2019, 12:57: PM

Expert Answer

open vertical bar table row cell fraction numerator a squared plus b squared over denominator c end fraction end cell c c row a cell fraction numerator b squared plus c squared over denominator a end fraction end cell a row b b cell fraction numerator c squared plus a squared over denominator b end fraction end cell end table close vertical bar equals fraction numerator 1 over denominator a b c end fraction open vertical bar table row cell a squared plus b squared end cell cell c squared end cell cell c squared end cell row cell a squared end cell cell b squared plus c squared end cell cell a squared end cell row cell b squared end cell cell b squared end cell cell c squared plus a squared end cell end table close vertical bar R subscript 1 rightwards double arrow R subscript 1 minus R subscript 2 minus R subscript 3 equals fraction numerator 1 over denominator a b c end fraction open vertical bar table row 0 cell negative 2 b squared end cell cell negative 2 a squared end cell row cell a squared end cell cell b squared plus c squared end cell cell a squared end cell row cell b squared end cell cell b squared end cell cell c squared plus a squared end cell end table close vertical bar equals fraction numerator negative 2 over denominator a b c end fraction open vertical bar table row 0 cell b squared end cell cell a squared end cell row cell a squared end cell cell b squared plus c squared end cell cell a squared end cell row cell b squared end cell cell b squared end cell cell c squared plus a squared end cell end table close vertical bar R subscript 3 rightwards arrow R subscript 3 minus R subscript 1 equals fraction numerator negative 2 over denominator a b c end fraction open vertical bar table row 0 cell b squared end cell cell a squared end cell row cell a squared end cell cell b squared plus c squared end cell cell a squared end cell row cell b squared end cell 0 cell c squared end cell end table close vertical bar equals fraction numerator negative 2 over denominator a b c end fraction open square brackets negative a squared open vertical bar table row cell b squared end cell cell a squared end cell row 0 cell c squared end cell end table close vertical bar plus b squared open vertical bar table row cell b squared end cell cell a squared end cell row cell b squared plus c squared end cell cell a squared end cell end table close vertical bar close square brackets equals fraction numerator negative 2 over denominator a b c end fraction open square brackets negative a squared b squared c squared plus b squared open parentheses b squared a squared minus a squared b squared minus a squared c squared close parentheses close square brackets equals fraction numerator negative 2 over denominator a b c end fraction open square brackets negative 2 a squared b squared c squared close square brackets equals 4 a b c

Answered by Renu Varma | 17 May, 2019, 06:27: PM

CBSE Class 12-commerce Answered

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CBSE Class 12-commerce Answered

Application Videos

ProblemsbasedonIntoFunction-I

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Concept Videos

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