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CBSE Class 12-science Answered

value of X if [xy+2z-3]+[y 4 5]=[4 9 12]
Asked by ronitrawat267 | 30 Sep, 2020, 09:16: AM
Expert Answer
Given: [x  y+2  z-3] + [y  4  5] = [4  9  12]

open square brackets table row cell straight x plus straight y end cell cell straight y plus 2 plus 4 end cell cell straight z minus 3 plus 5 end cell end table close square brackets equals open square brackets table row 4 9 12 end table close square brackets rightwards double arrow straight x plus straight y equals 4 comma space straight y plus 6 equals 9 space space and space straight z plus 2 equals 12 rightwards double arrow straight x plus straight y equals 4 comma space straight y equals 3 space and space straight z equals 10 rightwards double arrow straight x plus 3 equals 4 rightwards double arrow straight x equals 1
Answered by Renu Varma | 30 Sep, 2020, 11:39: AM

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value of X if [xy+2z-3]+[y 4 5]=[4 9 12]
Asked by ronitrawat267 | 30 Sep, 2020, 09:16: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Let  f (x) = x2  – 5 x + 6  and  A =            1 1 0 2 1 3 2 0 1  , then  f (A) is equal to : (A)                   5 4 4 1 1 10 1 1 3 (B)                   5 4 3 1 1 10 1 1 3 (C)                  5 4 3 0 1 10 0 1 3 (D)      
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