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Let three matrices A=[2 1 4 1]; B=[3 4 2...

Let three matrices `A=[2 1 4 1]; B=[3 4 2 3]a n dC=[3-4-2 3],` then 6 (b) 9 (c) 12 (d) None of these

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Consider three matrices A=[(2,1),(4,1)], B=[(3,4),(2,3)] and C=[(3,-4),(-2,3)]. Then ghe value of the sum tr(A)+tr((ABC))/2 +tr((ABC)^2)/4+tr((ABC)^3)/2+.......+oo is (A) 6 (B) 9 (C) 12 (D) none of these

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Let A=[1 2 3-5] and B=[1 0 0 2] and X be a matrix such that A=B X , then X is equal to 1/2[2 4 3-5] (b) 1/2[-2 4 3 5] (c) [2 4 3-5] (d) none of these

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Ratio in which the line 3x + 4y = 7 divides the line segment joining the points (1, 2) and (-2, 1) is (a) 3 : 5 (b) 4 : 6 (c) 4 : 9 (d)None of these

Let A be a 3x3 matrix such that |A|=-2, then det(-2A^(-1))=-4 (b) 4(c)8(d) none of these

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RESONANCE DPP-JEE MAINS-All Questions
  1. The locus of the mid point of then intercept of the variable line xcos...

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  2. If P is a point (x ,y) on the line y=-3x such that P and the point...

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  3. Let three matrices A=[2 1 4 1]; B=[3 4 2 3]a n dC=[3-4-2 3], then 6 (...

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  4. The distance of (0,0) from 2x-3y+5=0 measured parallel to the line 3x-...

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  5. If A=[(1,2,-1),(-1,1,2),(2,-1,1)], then det (adj(adj A) is

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  6. The area enclosed by |x|+y=1 & the axis of x is: 1 b. 1/2 c2 d. none ...

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  7. A A B C is formed by the lines 2x-3y-6=0;3x-y+3=0a n d3x+4y-12=0. If ...

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  8. Of f(x)=p x^2+q x+r is a quadratic expression such that [a^2a1b^2b1c^2...

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  9. Let the algebraic sum of the perpendicular distances from the points (...

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  10. If the equation of the locus of a point equidistant from the points (a...

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  11. Find the coefficients of x^7 in (a x^2+1/(b x))^(11)a n dx^(-7)in(a x^...

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  12. Two vertices of a rectangle are on the positive x-axis. The other two ...

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  13. Let the co-ordinates of the two points A&B be (1, 2) and (7, 5) respec...

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  14. The largest value of x for which the fourth tem in the expansion (5^2/...

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  15. The coordinate axes are roted about the origin O in the counterclockwi...

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  16. Match the following column s: Column-I|Column-II Negation of (~ pvecq)...

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  17. The sum underset(i=0)overset(3m)(sum)((20),(3m-i)), where ((p),(q))=0 ...

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  18. Sum of the infinite series 1/(2!)+(1+2)/(3!)+(1+2+3)/(4!)+ tooo e/3 b...

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  19. Find n in the binomial (2 3+1/(3 3))^n , if the ration 7th term from t...

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  20. Sum the series from n=1ton=oo, whose nth term is 1/((n+1)!)

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