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Question

Assertion :The equation 3x22y2+4x6y=0 represents a hyperbola. Reason: The second degree equation ax2+2hxy+by2+2gx+2fy+c=0 represents a hyperbola if abc+2fghaf2bg2ch20 & h2>ab.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Given equation of curve is 3x22y2+4x6y=0
(a=3,b=2,h=0=c,g=2,f=3)
Δ=abc+2fghaf2bg2ch2 =0+03(3)2(2)(2)20=27+8 =190
&h2=0,ab=6 So h2>ab as
0>6
Hence, given curve represents a Hyperbola.
Clearly Assertion & Reason both are true and Reason is correct explanation of Assertion.

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