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NCERT EXEMPLAR-DETERMINANTS-Determinants
- If A is invertible matrix of order 3xx3, then |A^(-1)| is equal to…………
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- If x,y,zepsilonR then the value of |((2x^(x)+2^(-x))^(2),(2^(x)-2^(-x)...
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- If cos2theta=0, then |(0,costheta,sin theta),(cos theta, sin theta, 0)...
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- If is A is a matrix of order 3xx3, then (A^(2))^(-1) is equal to…………….
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- If A is a matrix of order 3xx3 then the number of minors in determinan...
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- The sum of products of elements of any row with the cofactors of corre...
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- If x=-9 is a root of |(x,3,7),(2,x,2),(7,6,x)|=0 then other two roots ...
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- |(0,xyz,x-z),(y-x,0,y-z),(z-x,z-y,0)| is equal to……………
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- If f(x)=|((1+x)^(17),(a+x)^(19),(1+x)^(23)),((a+x)^(23),(a+x)^(29),(1+...
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- (A^(3))^(-1)=(A^(-1))^(3), where A is a square matrix and |A|!=0
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- (aA)^(-1)=1/aA^(-1) where a is any real number and A is a square matri...
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- |A^(-1)|!=|A+^(-1), where A is a non singular matrix.
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- If A and B are matrices of order 3 and |A|=5,|B|=3, the |3AB|
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- If the value of a third order determinant is 12, then find the value o...
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- If a,b,c are in AP show that |[x+1,x+2,x+a],[x+2,x+3,x+b],[x+3,x+4,x+c...
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- |adjA|=|A|^(2) where A is a square matrix of order two.
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- Using properties of determinant. Prove that |[sinA,cosA,sinA+cosB],[si...
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- If the determinant |(x+a,p+u,l+f),(y+b,q+v,m+g),(z+c,r+w,n+h)| splits ...
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- If Delta=|(a,p,x),(b,q,y),(c,r,z)|=16 then Delta(1)=|(p+x,a+x,a+p),(q+...
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- The maximum value of |(1,1,1),(1,1+sintheta,1),(1,1,1+costheta)| is 1/...
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