1. Expand the brackets a. X(x+2) b. X2(x+x2) c. 3x(x-y) d. 4x2(2-3x) e. X3(1+2x -x2) f. 4x(2y-x+y2) 2. Simplify: a. 2x2 X x3 / x b. 4y3 X y X y2 / y3 c. X2 X y2 X x2 / y3 X x
1. Expand the brackets a. X(x+2) b. X2(x+x2) c. 3x(x-y) d. 4x2(2-3x) e. X3(1+2x -x2) f. 4x(2y-x+y2) 2. Simplify: a. 2x2 X x3 / x b. 4y3 X y X y2 / y3 c. X2 X y2 X x2 / y3 X x
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
1. Expand the brackets
a. X(x+2)
b. X2(x+x2)
c. 3x(x-y)
d. 4x2(2-3x)
e. X3(1+2x -x2)
f. 4x(2y-x+y2)
2. Simplify:
a. 2x2 X x3 / x
b. 4y3 X y X y2 / y3
c. X2 X y2 X x2 / y3 X x
d. 4x4 X x5 / y2 X x3
Expert Solution
Step 1
We can solve this by properties of power of polynomials
xm*xn = xm+n
Step by step
Solved in 2 steps
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