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Coordinate Geometry

Question
CBSEENMA9001847
Wired Faculty App

Factorise the following using appropriate identities:

4y2 - 4y + 1

Solution

4y2 - 4y + 1
4y2 - 4y + 1 = (2y)2 - 2(2y)(1)+(1)2
                   = (2y - 1)2 = (2y - 1)  (2y - 1)
                                   | Using Identity II
                         
                   
                   

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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