If x=ya, y=zb and z=xc, then the value of abc is-

A    4

B    3

C    2

D    1

Solution

Correct Answer: Option D

দেয়া আছে,  
x = ya, y = zb এবং z= xc

এখন, 
z = xc
⇒ xc = z
⇒ (ya)c = z
⇒ yac = z
⇒ (zb)ac = z
⇒ zabc = z
⇒ zabc = z1
⇒ abc = 1

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