جزوی کسور

دسویں جماعت · ریاضی · 4 سوالات

نام: ____________________   تاریخ: ____________

1. Partial fractions of 1 / (x (x + 1)) are:

   • A 1/x - 1/(x + 1)
   • B 2/x
   • C x - (x + 1)
   • D 1/x + 1/(x + 1)

2. A fraction is proper when the degree of the numerator is:

   • A Zero always
   • B Equal to the denominator's
   • C Less than the degree of the denominator
   • D Greater than the denominator's

3. (x + 3) / ((x + 1)(x + 2)) = A/(x + 1) + B/(x + 2). What is A?

   • A 3
   • B 2
   • C -1
   • D 1

4. (x + 3) / ((x + 1)(x + 2)) = A/(x + 1) + B/(x + 2). What is B?

   • A -1
   • B 2
   • C 1
   • D -2