Mathematics, 26.05.2021 14:00 hncriciacheichi

The coefficient of $\frac{1}{x^{3} }$ is 512 in the expansion of $(\frac{2}{x} + ax^{2})^{9}$ , where a<0. i) find the value of a
ii) using the value of a found in part i), show that the term in $\frac{1}{x^{4} }$ does not exist in the expansion of $(\frac{2}{x} + ax^{2} )^{9} (\frac{1}{8x} +\frac{x^{2} }{12})$

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:10

Which linear equations have an infinite number of solutions? check all that apply. (x – 3/7) = 2/7(3/2x – 9/14)8(x + 2) = 5x – 1412.3x – 18 = 3(–6 + 4.1x)(6x + 10) = 7(x – 2)4.2x – 3.5 = 2.1 (5x + 8)

Answers: 3

Answer

Mathematics, 21.06.2019 21:50

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x,y) t-2, 00 ro, 900(x, y)

Answers: 2

Answer

Mathematics, 21.06.2019 21:50

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Answers: 1

Answer

Mathematics, 21.06.2019 23:30

Is the underlined participial phrase correctly placed or misplaced? i smelled each and every flower strolling through the garden. a. correctly placed participial phrase b. misplaced participial phrase

Answers: 2

Answer

You know the right answer?

The coefficient of is 512 in the expansion of , where a<0. i) find the value of a
ii) us...

Questions