|(a,b,c),(a(1),b(1),c(1)),(a(2),b(2),c(2...

`|(a,b,c),(a_(1),b_(1),c_(1)),(a_(2),b_(2),c_(2))|=k|(b+c,c+a,a+b),(b_(1)+c_(1),c_(1)+a_(1),a_(1)+b_(1)),(b_(2)+c_(2),c_(2)+a_(2),a_(2)+b_(2))|` then `k=`

`1//2`

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A : The area of the parallelogram formed by 4x-7y-13=0, 8x-y-39=0, 4x-7y+39=0, 8x-y+13=0 is 52. R : The area of the parallelogram formed by a_(1)x+b_(1)y+c_(1)=0, a_(1)x+b_(1)y+d_(1)=0, a_(2)x+b_(2)y+c_(2)=0, a_(2)x+b_(2)y+d_(2)=0 is |((c_(1)-d_(1))(c_(2)-d_(2)))/(a_(1)b_(2)-a_(2)b_(1))|

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DIPTI PUBLICATION ( AP EAMET)-MATRICES-EXERCISE 1B MCQ (DETERMINANTS)

If|(a+b,b+c,c+a),(b+c,c+a,a+b),(c+a,a+b,b+c)|=k|(a,b,c),(b,c,a),(c,a,b...
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If |(x,y,z),(-x,y,z),(x,-y,z)|=k xyz, then k=
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If D=|(1,1,1),(1,1+x,1),(1,1,1+y)| for x!=0,y!=0 then D is
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|(x,a,a),(a,x,a),(a,a,x)|=
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|(1+a,b,c),(a,1+b,c),(a,b,1+c)|=
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If |(1+a(1),a(2),a(3)),(a(1),1+a(2),a(3)),(a(1),a(2),1+a(3))|=0 then a...
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|(1+a,b,c),(a,1+b,c),(a,b,1+c)|=
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If 1/a+1/b+1/c=0 then |(1+a,1,1),(1,1+b,1),(1,1,1+c)|=
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|(a^(2)+1,ab,ac),(ab,b^(2)+1,bc),(ac,bc,c^(2)+1)|=
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Show that |{:(a-b-c," "2a," "2a),(" "2b,b-c-a," "2b),(" "2c," "2...
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A=[(1, 5, 6),(2,3,4),(1,1,1)] find rank of A
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|(sin^(2)x,cos^(2)x,1),(cos^(2)x,sin^(2)x,1),(-10,12,2)|=
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If A=[a(ij)] is a scalar matrix of order nxxn such that a(ij)=k for al...
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