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Coordinate Geometry

Question
CBSEENMA9001854
Wired Faculty App

Expand each of the following using suitable identities:

open square brackets 1 fourth straight a minus 1 half straight b plus 1 close square brackets squared

Solution
open square brackets 1 fourth straight a minus 1 half straight b plus 1 close square brackets squared open square brackets 1 fourth straight a minus 1 half straight b plus 1 close square brackets squared equals open square brackets 1 fourth straight a plus open parentheses negative 1 half straight b close parentheses plus 1 close square brackets squared equals open parentheses 1 fourth straight a close parentheses squared plus open parentheses negative 1 half straight b close parentheses squared plus left parenthesis 1 right parenthesis squared plus 2 open parentheses 1 fourth straight a close parentheses open parentheses negative 1 half straight b close parentheses plus 2 open parentheses negative 1 half straight b close parentheses left parenthesis 1 right parenthesis plus 2 left parenthesis 1 right parenthesis open parentheses 1 fourth straight a close parentheses equals space 1 over 16 straight a squared plus 1 fourth straight b squared plus 1 minus 1 fourth ab minus straight b plus 1 half straight a.

Some More Questions From Coordinate Geometry Chapter

Find the value of n, given (81)5/n = 243.

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

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