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If a matrix `A` is such that `3\ A^3+2\ A^2+5\ A+I=0` , then `A^(-1)` is equal to `-(3A^2+2A+5)` (b) `3A^2+2A+5` (c) `3\ A^2-2A-5` (d) none of these

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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  2. If ("lim")(xvec0)({(a-n)n x-tanx}sinn x)/(x^2)-0, where n is nonzero...

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  3. If a matrix A is such that 3\ A^3+2\ A^2+5\ A+I=0 , then A^(-1) is equ...

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  18. int 1/ sqrt (a^2 + x^2) dx = log ( x + sqrt(x^2 + a^2)) + c

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  19. The expression (x+((x^3-1)^(1/2))/2)^5+""(x-((x^3-1)^(1/2))/2)^5 is a ...

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  20. Let alpha=l tsum(r=1)^(r-n)1/(r(r+1)) be root of a x^2+b x+c=0,b ,c ar...

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