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Let |(x,2,x),(x^2,x,6),(x,x,6)|=a x^4+b ...

Let `|(x,2,x),(x^2,x,6),(x,x,6)|=a x^4+b x^3+c x^2+dx+edot` Then, the value of `5a+4b+3c+2d+e` is equal 0 (b) -16 (c) 16 (d) none of these

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To solve the determinant \( |(x, 2, x), (x^2, x, 6), (x, x, 6)| \) and express it in the form \( ax^4 + bx^3 + cx^2 + dx + e \), we will follow these steps: ### Step 1: Set up the determinant We start with the determinant: \[ D = \begin{vmatrix} x & 2 & x \\ x^2 & x & 6 \\ ...
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RD SHARMA-DETERMINANTS-Solved Examples And Exercises
  1. If a , b , c are non-zero real numbers and if the system of equations...

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  2. Which of the following is not correct in a given determinant of A , wh...

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  3. Let |(x,2,x),(x^2,x,6),(x,x,6)|=a x^4+b x^3+c x^2+dx+edot Then, the va...

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  4. Let △=|(A x,x^2, 1),(B y, y^2, 1),(C z, z^2, 1)| and△1=|(A,B, C),( x, ...

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  5. If Delta1=|[a, b, c],[ x, y, z],[ p, q, r]| and Delta2=|[q,-b, y],[-p,...

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  6. Without expanding show that: =|cos e c^2thetacot^2theta1cot^2thetacos ...

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  7. Find the value of the determinant =|2 3 4 5 6 8 6x9x 12 x|dot

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  8. Without expanding evaluate the determinant |[41,1,5],[79,7,9],[29,5,3]...

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  9. Show that matrix |(1,a,b+c),(1,b,c+a),(1,c, a+b)|=0

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  10. Without expanding evaluate the determinant |(x^2+x^(-1))^2(a^2-a^(-1))...

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  11. If 1=|(1, 1, 1),(x^2,y^2,z^2),(x, y ,z)|a n d2=|(1 ,1, 1),(y z, z x,x ...

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  12. Without expanding show that |[b^2c^2,b c, b+c],[c^2a^2,c a ,c+a ],[a^2...

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  13. Without expanding evaluate the determinant |[sinalpha,cosalpha,sin(alp...

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  14. If A+B+C=pi, then the value of |[sin(A+B+C),sin(A+C),cosC],[-sinB,0...

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  15. If Ar=|[1,r,2^r],[2,n,n^2],[n,(n(n+1))/2, 2^(n+1)]|, the value of sum(...

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  16. If the determinant |[a,b,2aalpha+3b],[b,c,2balpha+3c],[2aalpha+3b,2bal...

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  17. If a , b , c are distinct, then the value of x satisfying |(0,x^2-a, x...

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  18. Using the factor theorem it is found that a+b , b+c and c+a are thr...

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  19. Let |(x^2+3x,x-1,x+3),(x+1,-2x x-4),(x-3,x+4 ,3x)|=a x^4+b x^3+c x^2+e...

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  20. If Dk=|[1,n,n],[2k,n^2+n+2,n^2+n],[2k-1,n^2,n^2+n+2]| and sum(k=1)^...

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