Whakaoti mō A, a, b, c, d
d=4
Tohaina
Kua tāruatia ki te papatopenga
A=-20+5
Whakaarohia te whārite tuatahi. Whakareatia te -5 ki te 4, ka -20.
A=-15
Tāpirihia te -20 ki te 5, ka -15.
A=-15 a=4 b=4 c=4 d=4
Kua oti te pūnaha te whakatau.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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