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With 4 different elements how many diffe...

With 4 different elements how many different determinant of order 2 can be constructed.

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  3. With 4 different elements how many different determinant of order 2 ca...

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  8. If p is a prime and ab-=0 (mod p) then show that either a=0 (mod p) or...

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  9. If A+B+C=pi,then show that Abs((-1,cosC,cosB),(cosC,-1,cosA),(cosB,cos...

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  10. Prove that the following. [[1+a,1,1],[1,1+b,1],[1,1,1+c]] = abc(1+1/...

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  19. int(xe^x)/(1+x^2)dx

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