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aditya kukade Grade: 11
        
Find x and y:
x^y=y^x   and   x=2y
2 years ago

Answers : (1)

Rinkoo Gupta
askIITians Faculty
80 Points
										




x=2y=> y=x/2 put this value in eq(1)


xy=yx


x(x/2)=(x/2)x


=> x=[(x/2)x]2/x


=> x=(x/2)2


=> x=x2/4


=>4x=x2


=>4x-x2=0


=>x(4-x)=0


=> x=0,4


Thanks & Regards


Rinkoo Gupta


AskIITians Faculty


2 years ago
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