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If |x3 6 3 6x6x3|=|2x7x7 2 7 2x|=|4 5x5x...

If `|x3 6 3 6x6x3|=|2x7x7 2 7 2x|=|4 5x5x4x4 5|=0,t h e n^(prime)x^(prime)i se q u a lto` 0 (b) `-9` (c) 3 (d) none of these

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RESONANCE DPP-JEE MAINS-All Questions
  1. Which of the following is false? (p=>q)hArr(~ a=>~ p) b. pvv(~ p) is ...

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  2. If A=[1ta n x-t a n x1],t h e nA^T A^(-1) is [ cos2x s in2x-s in2x cos...

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

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  4. 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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  5. The inverse of a skew symmetric matrix of odd order is 1)a symmetric ...

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  6. If Aalpha=[cosalphasinalpha-sinalphacosalpha],t h e nAalphaAbeta= (...

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

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

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

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  10. Let f(x)=4x ^2-4ax+a^2-2a+2 x,aϵR If y=f(x) takes minimum value 3 on x...

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

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

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  13. Let f(x)=4x^2-4ax+a^2-2a+2 be a quadratic polynomial in x, a be any re...

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

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

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  16. If a ,b ,c are sides of a scalene triangle, then value of |a b c b c ...

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

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  18. If y=a x^2+b x+c represents the curve given in the figure and b^2=2(b+...

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  19. Which of the following function(s) defined below are continuous at the...

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  20. Given two circle x^2+y^2-6x-2y+5=0&x^2+y^2+6x+22 y+5=0 . The tangent a...

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