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Coordinate Geometry

Question

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Factorise: ax² + y² + z² - 6xy + 2yz - 6zx. Hence find its value if x = 1, y = 2 and z = -1.

Solution

Solution not provided.
Ans. 4

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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