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Coordinate Geometry

Question
CBSEENMA9001839
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Factorise: 2 square root of 2 straight a cubed plus 8 straight b cubed minus 27 straight c cubed plus 18 square root of 2 space abc

Solution
2 square root of 2 straight a cubed plus 8 straight b cubed minus 27 straight c cubed plus 18 square root of 2 space abc equals left parenthesis square root of 2 straight a right parenthesis cubed plus left parenthesis 2 straight b right parenthesis cubed plus left parenthesis negative 3 straight c right parenthesis cubed minus 3 left parenthesis square root of 2 straight a right parenthesis left parenthesis 2 straight b right parenthesis left parenthesis negative 3 straight c right parenthesis equals space open parentheses square root of 2 straight a plus 2 straight b minus 3 straight c close parentheses left parenthesis 2 straight a squared plus 4 straight b squared plus 9 straight c squared minus 2 square root of 2 ab plus 6 bc plus 3 square root of 2 space ac right parenthesis.

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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