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If : A=[1 2 0-1 1 2 2-1 1],t h e nA d j(...

If : `A=[1 2 0-1 1 2 2-1 1],t h e nA d j(A)=` `[3 5-1-2 1 5 4-2 3]` (b) `[3-5 1 2-1 5 4 2 3]` `[2-2 4 5 1-2-1 5 3]` (d) None of these

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. Show that (i) p to (pvvq) is a tautology (ii) (pvvq) ^^(~ p ^^~q) ...

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  2. ABC is a triangle. The coordinates of whose vertices are (-2,4),(10 ,-...

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  3. If : A=[1 2 0-1 1 2 2-1 1],t h e nA d j(A)= [3 5-1-2 1 5 4-2 3] (b) ...

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  4. Which of the following is false? a. (p=>q)hArr(~ q=>~ p) is a contradi...

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  5. If A=|[1,tanx],[-tanx,1]| , show that A^T\ A^(-1)=|[cos2x,-sin2x],[sin...

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  6. If |x3 6 3 6x6x3|=|2x7x7 2 7 2x|=|4 5x5x4x4 5|=0,t h e n^(prime)x^(pri...

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  7. The matrix X for which [1-4 3-2]X=[-16-6 7 2] [-2 4-3 1] (b) [-1/5 ...

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  8. The inverse of a skew-symmetric matrix of odd order a. is a symmetric ...

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  9. If Aalpha=[[cosalpha ,sinalpha],[-sinalpha,cosalpha]] , then prove tha...

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  10. A parabola with vertex (2, 0) and axis of symmetry parallel to the ...

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  11. The range of the function y=2sin^(-1)[x^(2)+(1)/(2)]+cos^(-1)[x^(2)-(1...

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  12. The range of parameter ' a ' for which the variable line y=2x+a lies b...

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  13. The logically equivalent proposition of phArrq is a. (p^^q)vv(p^^q) b....

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  14. If in triangle A B C ,A-=(1,10), circumcentre -=(-1/3,2/3) and orthoce...

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  15. Let f(x)= 4x^(2) - 4ax + a^(2) - 2a + 2 such that minimum value fo the...

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  16. Which of the following determinants(s) vanish(es)? |4 1 2 10 2 5 3 4 3...

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  17. If vec a , vec ba n d vec c are non-coplanar vectors, prove that the ...

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  18. If a, b, c are positive and unequal, show that value of the determina...

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  19. Set of all values of x satisfying in inequation cos^(-1)sqrt(x)>sin^(-...

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  20. If y=ax^(2)+bx+c represents the curve given in the figure and b^(2)=2(...

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