M. A

21 Mei 2023 03:10

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M. A

21 Mei 2023 03:10

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E M

28 Mei 2023 16:34

<p>det (A) = U1 x U3 - (-U4xU2)<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= U1 U3 + U4U2</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= a^2 r^2 + a^2r^4</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= r^2 (a^2+r^2)<br><br>a+ar^2 = 1/p</p><p>a(1+r^2) =1/p</p><p><br>ar^2+ar^4 = 1/q</p><p>ar^2(1+r^2) = 1/q &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</p><p>&nbsp;</p><p>ar^2(1+r^2) dibagi a(1+r^2)&nbsp;</p><p>= r^2 = p/q</p><p>&nbsp;</p><p>maka a&nbsp;</p><p>a(1+r^2) =1/p</p><p>&nbsp; a(1+p/q) =1/p</p><p>a = (1/p) / (1+p/q)</p><p>a = q / p (p+q)</p><p>&nbsp;</p><p>det (A) = pq ((q / p (p+q) )+ pq)</p><p>&nbsp;</p>

det (A) = U1 x U3 - (-U4xU2)
               = U1 U3 + U4U2

               = a^2 r^2 + a^2r^4

               = r^2 (a^2+r^2)

a+ar^2 = 1/p

a(1+r^2) =1/p


ar^2+ar^4 = 1/q

ar^2(1+r^2) = 1/q            

 

ar^2(1+r^2) dibagi a(1+r^2) 

= r^2 = p/q

 

maka a 

a(1+r^2) =1/p

  a(1+p/q) =1/p

a = (1/p) / (1+p/q)

a = q / p (p+q)

 

det (A) = pq ((q / p (p+q) )+ pq)

 


M. A

07 Juli 2023 02:17

U1 U3 + U4U2 kenapa jawabannya jadi =a^2r^2+a^2r^4

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