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Question

Without actually solving the simultaneous equations given below, decide whether the system has unique solution, no solution or infinitely many solutions.
3x+5y=16;4xy=6

A
No Solution
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B
Infinitely many solutions
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C
Unique solution
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D
Cannot be determined
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Solution

The correct option is C Unique solution
As we know the condition for the pair of equations a1x+b1y+c1=0 and a2x+b2y+c2=0 to have a unique solution is -
a1a2b1b2

We have 3451
Hence, Unique Solution

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