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নবম-দশম শ্রেণী
Mathematics
Algebraic Expressions
Factorization: Perfect Square
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Multiple Choice
Which expression represents the expanded form of $(4x + 1)^2$?
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$16x^2 + 8x + 1$
$16x^2 + 2x + 1$
$16x^2 + 4x + 1$
$16x^2 + 1$
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What is the expanded form of the perfect square expression $(2x + 5)^2$?
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$4x^2 + 10x + 25$
$4x^2 + 20x + 25$
$4x^2 + 25$
$4x^2 - 20x + 25$
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Which of the following represents the expanded form of $(3x - 4)^2$?
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$9x^2 - 24x + 16$
$9x^2 + 24x + 16$
$9x^2 + 16$
$9x^2 - 16x + 16$
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Find the expanded form of $(a - 9)^2$.
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$a^2 - 18a + 81$
$a^2 - 81$
$a^2 - 18a - 81$
$a^2 - 9a + 81$
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Find the expanded form of $(5x + 2y)^2$.
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$25x^2 + 20xy + 4y^2$
$25x^2 + 4y^2$
$25x^2 + 10xy + 4y^2$
$25x^2 + 20x + 4y^2$
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