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PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Mathematics State Board
Class 8
Algebra
Multiplication of Algebraic Expressions

6. Two mark example problems

Exercise condition:

6 m.

1. Find the product of

$2x^2y^2$ ,

$3y^2z$ and

$-z^2x^3$ .

Answer:

Product

$=$

$6x^6y^5z^3$
$-6x^5y^4z^3$
$6x^5y^4z^3$
$-6x^6y^5z^3$

2. Multiply

$(2x + 5y)$ and

$(3x - 4y)$ .

Answer:

Product

$=$

$6x^2 + 7xy - 20y^2$
$6x^2 - 7xy + 20y^2$
$6x^2 + 7xy + 20y^2$
$6x^2 - 7xy - 20y^2$

3. Multiply

$3x^2y$ and

$(2x^3y^3 - 5x^2y + 9xy)$ .

Answer:

Product

$=$

$6x^5y^4 -15x^4y^2 - 27x^3y^2$
$6x^5y^4 -15x^4y^2 + 27x^3y^2$
$6x^5y^4 +15x^4y^2 - 27x^3y^2$
$6x^5y^4 +15x^4y^2 + 27x^3y^2$

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