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【简答题】
设 为 平面上的区域,则 等于 的联合密度函数 在(__)上的二重积分。(答案填字母)
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反馈参考答案：
举一反三
【单选题】When a bond's price falls, its yield to maturity ________ and its current yield ________.
A.
rises; falls
B.
rises; rises
C.
falls; rises
D.
falls; falls
【单选题】If an investor purchases a bond when its current yield is higher than the coupon rate, then the bond's price will be expected to:
A.
decline over time, reaching par value at maturity.
B.
increase over time, reaching par value at maturity.
C.
be less than the face value at maturity.
D.
exceed the face value at maturity.
【单选题】When a bond's price falls, its yield to maturity ________ and its current yield ________.
A.
falls; falls
B.
rises; rises
C.
falls; rises
D.
rises; falls
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