A) 10
B) 30
C) 40
D) 50
Correct Answer: B
Solution :
Put \[x=25,\] \[y=2\] |
\[{{(f(50))}^{2}}=25{{(f(2))}^{2}}\] |
\[=25{{(6)}^{2}}\]\[\Rightarrow f(50)=5\times 6=30\] |
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