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GATE Electronics and Communications (EC) 2018 Solved Paper

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Question : 22

Total: 65

Let f(x,y)=‌

, where a and b are constants. If ‌

‌ at x = 1 and y = 2, then the relation between a and b is

a=‌
b
4
a=‌
b
2
a = 2b
a = 4b

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