In the expansion of (3x + 1y)^9, find the coefficient of x^3y^6.
Correct answer(s):
- 2268
MCQ Academy - English
Free Online MCQ Practice Tests in English
Latest Quizzes
In the expansion of (1x + 1y)^8, find the coefficient of x^7y^1.
Correct answer(s):
- 8
In the expansion of (1x + 1y)^9, find the coefficient of x^7y^2.
Correct answer(s):
- 36
In the expansion of (1x + 2y)^8, find the coefficient of x^6y^2.
Correct answer(s):
- 112
In the expansion of (2x + -1y)^11, find the coefficient of x^7y^4.
Correct answer(s):
- 42240
In the expansion of (2x + 1y)^10, find the coefficient of x^5y^5.
Correct answer(s):
- 8064
In the expansion of (1x + 1y)^11, find the coefficient of x^2y^9.
Correct answer(s):
- 55
In the expansion of (3x + 1y)^6, find the coefficient of x^3y^3.
Correct answer(s):
- 540
In the expansion of (3x + 1y)^6, find the coefficient of x^1y^5.
Correct answer(s):
- 18
In the expansion of (1x + -1y)^10, find the coefficient of x^3y^7.
Correct answer(s):
- -120
In the expansion of (3x + -1y)^8, find the coefficient of x^5y^3.
Correct answer(s):
- -13608
In the expansion of (1x + -1y)^10, find the coefficient of x^3y^7.
Correct answer(s):
- -120
In the expansion of (3x + -1y)^8, find the coefficient of x^3y^5.
Correct answer(s):
- -1512
In the expansion of (3x + 1y)^11, find the coefficient of x^8y^3.
Correct answer(s):
- 1082565
In the expansion of (3x + 1y)^10, find the coefficient of x^2y^8.
Correct answer(s):
- 405
In the expansion of (3x + 2y)^6, find the coefficient of x^1y^5.
Correct answer(s):
- 576
In the expansion of (2x + 2y)^8, find the coefficient of x^2y^6.
Correct answer(s):
- 7168
In the expansion of (2x + 1y)^10, find the coefficient of x^9y^1.
Correct answer(s):
- 5120
For a geometric progression with first term -3 and common ratio 3, find the sum of the first 6 terms.
Correct answer(s):
- -1092
For a geometric progression with first term 2 and common ratio 3, find the 8th term.
Correct answer(s):
- 4374