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If diagA=[a(1),a(2),a(3)], then for any ...

If `diagA=[a_(1),a_(2),a_(3)]`, then for any integer `n ge 1` show that `A^(n) = diag[a_(1)^(n), a_(2)^(n), a_(3)^(n)]`

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SRISIRI PUBLICATION-QUESTION PAPER -Section B
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  2. Show that |(b+c,c+a,a+b),(a+b,b+c,c+a)(a,b,c)|=a^(3)+b^(3)+c^(3)-3abc.

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  3. If diagA=[a(1),a(2),a(3)], then for any integer n ge 1 show that A^(n)...

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  9. Find the area of the triangle formed with the points A(1,2,3), B(2,3,1...

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  11. Prove that angle in a semi circle is a rightangle by using Vector meth...

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  12. If (sin(alpha+beta))/(sin(alpha-beta)) = (a+b)/(a-b), then prove that ...

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  19. If alpha,beta are the solutions of the equation acostheta+bsintheta=c...

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  20. If alpha,beta are the solutions of the equation acostheta+bsintheta=c...

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