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B
x>y
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C
x=y
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D
x≥y
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E
x≤y or no relationship can be established between x and y
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Solution
The correct option is Bx>y Equation I x2−6x−7=0 ⇒x2−7x+x−7=0 ⇒x(x−7)+1(x−7)=0 ∴x=−1,7 Equation II 2y2+13y+15=0 ⇒2y2+10y+3y+15=0 ⇒2y(y+5)+3(y+5)=0 ⇒(2y+3)(y+5)=0 ∴y=−32,−5 Hence, x > y