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Coordinate Geometry

Question
CBSEENMA9001859
Wired Faculty App

Write the following cubes in expanded form:

open square brackets 3 over 2 straight x plus 1 close square brackets cubed

Solution
open square brackets 3 over 2 straight x plus 1 close square brackets cubed open square brackets 3 over 2 straight x plus 1 close square brackets cubed space equals space open parentheses 3 over 2 x close parentheses cubed plus left parenthesis 1 right parenthesis cubed space plus space 3 open parentheses 3 over 2 x close parentheses left parenthesis 1 right parenthesis open parentheses 3 over 2 x plus 1 close parentheses space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space
                                               | Using Identity VI 
equals space 27 over 8 x cubed plus 1 plus 9 over 2 x open parentheses 3 over 2 x plus 1 close parentheses equals space 27 over 8 x cubed plus 1 plus 27 over 4 x squared plus 9 over 2 x equals space 27 over 8 x cubed plus 27 over 4 x squared plus 9 over 2 x plus 1

Some More Questions From Coordinate Geometry Chapter

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer.

4x2 - 3x + 7

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer.

x10+ y3 + t50

Write the coefficients of x2 in each of the following:

2 + x2 + x

Write the coefficients of x2 in each of the following:
2 - x2 + x3

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