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If A is a 3xx3 matrix such that |A|=-2, ...

If A is a `3xx3` matrix such that `|A|=-2`, then `|-2A^(-1)|` is equal to

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. The number of roots of the equation 3^(|x|){|2-|x||}=1 is :

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  2. Solve 2cos^2theta+sinthetalt=2, where pi/2lt=thetalt=(3pi)/2dot

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  3. If A is a 3xx3 matrix such that |A|=-2, then |-2A^(-1)| is equal to

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  4. The acute angle between two straight lines passing through the point M...

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  5. Find the value of 'k' for which the following set of quadratic equatio...

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  6. The number of roots of the equation, x-2/(x-1)=1-2/(x-1) is (a) 0 (b) ...

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  7. Given that tanalpha and tanbeta,x^2-p x+q=0 , then value of sin^2(al...

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  8. If f(x)=(1-s in2x+cos2x)/(2cos2x) , then the value of f(16^0)dotf(29^0...

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  9. If the roots of the equation x^2+2c x+a b=0 are real and unequal, the...

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  10. If A=[[0 ,1 ,3],[ 1, 2,x],[2, 3, 1]] and A^(-1)=[[1//2,-4 ,5//2],[-1//...

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  11. Number of solutions of the simultaneous equations |x| + |y|=3 and sin ...

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  12. Minimum value of of f (x)=2x^(2)-4x+5is

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  13. Let P""=""(-1,""0),""Q""=""(0,""0)""a n d""R""=(3,""3sqrt(3)) be th...

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  14. The value of k so that the equation 12 x^2-10 x y+2y^2+11 x-5y+k=0 rep...

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  15. Find the number of positive integers x for which f(x) = x^(3) - 8 x^...

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  16. If |x|+|x-5|=6 and x<0, then (x+3/2) is equal to

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  17. If (x1, y1)&(x2,y2) are the ends of a diameter of a circle such that x...

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  18. The value of x satisfying the equation (6x+2a+3b+c)/(6x+2a-3b-c)=(2x+6...

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  19. The expression \(root(3)root(6){a^{9}))^4 \(root(6)root(3){a^{9}))^4...

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  20. The least natural number satisfying the inequation (x-1)/x-(x+1)/(x-1)...

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