If f(x, y) =4xy+x4y, then what is the total number of solutions for the equation f(x, y) = 5?
A
1
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B
2
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C
More than 2
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Solution
The correct option is C More than 2 f(x, y) = 5 ⇒4xy+x4y=5 If x = 1, then the above equation satisfies for any integral value of y. So option (d) is correct.