Decompose (-8*x – 28)/((x + 1)(x + 6)) into partial fractions.
Correct answer(s):
- -4/(x + 1) + -4/(x + 6)
Topic
Algebra
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Quizzes in Algebra for HSC
If α+β=7 and αβ=4, find α^3+β^3.
Correct answer(s):
- 259
If α+β=-7 and αβ=-10, find 1/α + 1/β.
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- 7/10
If α+β=0 and αβ=1, find 1/α + 1/β.
Correct answer(s):
- 0
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Correct answer(s):
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Correct answer(s):
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If α+β=-3 and αβ=5, find α^3+β^3.
Correct answer(s):
- 18
If α+β=4 and αβ=2, find α^3+β^3.
Correct answer(s):
- 40
If α+β=-5 and αβ=9, find 1/α + 1/β.
Correct answer(s):
- -5/9
If α+β=2 and αβ=3, find α^3+β^3.
Correct answer(s):
- -10
If α+β=-4 and αβ=7, find 1/α + 1/β.
Correct answer(s):
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If α+β=5 and αβ=6, find 1/α + 1/β.
Correct answer(s):
- 5/6
If α+β=3 and αβ=6, find α^3+β^3.
Correct answer(s):
- -27
If α+β=2 and αβ=9, find α^3+β^3.
Correct answer(s):
- -46
If α+β=-4 and αβ=-1, find 1/α + 1/β.
Correct answer(s):
- 4
If α+β=-5 and αβ=7, find 1/α + 1/β.
Correct answer(s):
- -5/7
If α+β=3 and αβ=12, find 1/α + 1/β.
Correct answer(s):
- 1/4
If α+β=-1 and αβ=-2, find α^3+β^3.
Correct answer(s):
- -7
If α+β=-7 and αβ=-5, find α^3+β^3.
Correct answer(s):
- -448