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Coordinate Geometry

Question
CBSEENMA9001848
Wired Faculty App

Factorise the following using appropriate identities:

straight x squared minus straight y squared over 100

Solution
straight x squared minus straight y squared over 100 straight x squared minus straight y squared over 100 equals left parenthesis straight x right parenthesis squared minus open parentheses straight y over 10 close parentheses squared 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 equals space open parentheses straight x plus straight y over 10 close parentheses space open parentheses straight x minus straight y over 10 close parentheses.
                                | Using Identity III]

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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