1.

If aex+bey=c,pex+qey=d and Δ1=∣∣∣abpq∣∣∣,Δ2=∣∣∣cbdq∣∣∣,Δ3=∣∣∣acpd∣∣∣ ,where Δ1,Δ2,Δ3 are all positive, then the value of (x,y) is:

Answer»

If aex+bey=c,pex+qey=d and Δ1=abpq,Δ2=cbdq,Δ3=acpd ,where Δ1,Δ2,Δ3 are all positive, then the value of (x,y) is:



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