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Question

$9 x^{2} - 30 x y + 25 y^{2}$ এর উৎপাদক বিশ্লেষণ কোনটি ?

(3 y - 5 x) (3 y - 5 x)

(5 x - 3 y) (5 x + 3 y)

(3 x - 5 y) (3 x - 5 y)

(3 x + 5 y) (3 x - 5 y)

ANSWER : 3

Descrption

সমাধান:&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>9</mn><msup><mi>x</mi><mn>2</mn></msup><mo>-</mo><mn>30</mn><mi>x</mi><mi>y</mi><mo>+</mo><mn>25</mn><msup><mi>y</mi><mn>2</mn></msup><mo>&nbsp;</mo><mspace linebreak="newline">&nbsp;</mspace><mspace linebreak="newline">&nbsp;</mspace><mo>=</mo><msup><mrow><mo>(</mo><mn>3</mn><mi>x</mi><mo>)</mo></mrow><mn>2</mn></msup><mo>-</mo><mn>2</mn><mo>×</mo><mn>3</mn><mi>x</mi><mo>×</mo><mn>5</mn><mi>y</mi><mo>+</mo><msup><mrow><mo>(</mo><mn>5</mn><mi>y</mi><mo>)</mo></mrow><mn>2</mn></msup><mo>&nbsp;</mo><mo>&nbsp;</mo><mspace linebreak="newline">&nbsp;</mspace><mspace linebreak="newline">&nbsp;</mspace><mo>=</mo><msup><mrow><mo>(</mo><mn>3</mn><mi>x</mi><mo>-</mo><mn>5</mn><mi>y</mi><mo>)</mo></mrow><mn>2</mn></msup><mo>&nbsp;</mo><mspace linebreak="newline">&nbsp;</mspace><mspace linebreak="newline">&nbsp;</mspace><mo>=</mo><mo>(</mo><mn>3</mn><mi>x</mi><mo>-</mo><mn>5</mn><mi>y</mi><mo>)</mo><mo>(</mo><mn>3</mn><mi>x</mi><mo>-</mo><mn>5</mn><mi>y</mi><mo>)</mo><mo mathvariant="bold">&nbsp;</mo><mi mathvariant="bold-italic">A</mi><mi mathvariant="bold-italic">n</mi><mi mathvariant="bold-italic">s</mi><mi mathvariant="bold-italic">w</mi><mi mathvariant="bold-italic">e</mi><mi mathvariant="bold-italic">r</mi><mo mathvariant="bold">.</mo></math>

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