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Deepak patra Asked a Question
October 18, 2021 8:08 pmpts 30 pts
Q.20- Let I denote the 4 x 4 identity matrix. If the roots of the characteristic polynomial of a 4 x 4 matrix Mare + y, then M*= (A) I+ M12 (B) 2/+ M2 (C) 21+3M? (D) 3/ +2M2
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  • Deepak singh 1
    Refer attachment option c
    • cropped4614972723072699748.jpg
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  • Ishu 1
    clear
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  • Ishu 1 thankyou
    C char equal of M is x^4-x²-1=0 by cleay th M^4-M²-I=0 M^4-=M²-I M^8=(M²-I)²=M^4+2M²+I =M²+I+2M²+I=3M²+2I
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    Deepak patra
    plz send the solution
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