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CBSE Class 12-science Answered

(x-2)2                    (x-1)2                   x2

(X-1)2                       X2                   (x + 1)2                           =  -8

X2                      (x + 1)2                  (x + 2)2

Asked by haroonrashidgkp | 10 Apr, 2018, 08:35: PM
Expert Answer
begin mathsize 16px style Using space left parenthesis straight a plus-or-minus straight b right parenthesis squared space formula
open vertical bar table row cell straight x squared minus 4 straight x plus 4 end cell cell straight x squared minus 2 straight x plus 1 end cell cell straight x squared end cell row cell straight x squared minus 2 straight x plus 1 end cell cell straight x squared end cell cell straight x squared plus 2 straight x plus 1 end cell row cell straight x squared end cell cell straight x squared plus 2 straight x plus 1 end cell cell straight x squared plus 4 straight x plus 4 end cell end table close vertical bar
straight R subscript 1 minus straight R subscript 2 space end subscript and space straight R subscript 2 minus straight R subscript 3 space end subscript
open vertical bar table row cell negative 2 straight x plus 3 end cell cell negative 2 straight x plus 1 end cell cell negative 2 straight x minus 1 end cell row cell negative 2 straight x plus 1 end cell cell negative 2 straight x minus 1 end cell cell negative 2 straight x minus 3 end cell row cell straight x squared end cell cell straight x squared plus 2 straight x plus 1 end cell cell straight x squared plus 4 straight x plus 4 end cell end table close vertical bar
straight R subscript 1 minus straight R subscript 2 space end subscript
open vertical bar table row 2 2 2 row cell negative 2 straight x plus 1 end cell cell negative 2 straight x minus 1 end cell cell negative 2 straight x minus 3 end cell row cell straight x squared end cell cell straight x squared plus 2 straight x plus 1 end cell cell straight x squared plus 4 straight x plus 4 end cell end table close vertical bar
2 open vertical bar table row 1 1 1 row cell negative 2 straight x plus 1 end cell cell negative 2 straight x minus 1 end cell cell negative 2 straight x minus 3 end cell row cell straight x squared end cell cell straight x squared plus 2 straight x plus 1 end cell cell straight x squared plus 4 straight x plus 4 end cell end table close vertical bar
Follow space the space steps space and space you space will space get space the space answer
straight C subscript 1 minus straight C subscript 2 space and space expand space the space determinant.
end style
Answered by Sneha shidid | 11 Apr, 2018, 11:24: AM
CBSE 12-science - Maths

open vertical bar table row cell left parenthesis straight b plus straight c right parenthesis hat 2 end cell ab ca row ab cell left parenthesis straight a plus straight c right parenthesis hat 2 end cell bc row ac bc cell left parenthesis straight a plus straight b right parenthesis hat 2 end cell end table close vertical bar equals 2 abc left parenthesis straight a plus straight b plus straight c right parenthesis hat 3
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