Question # 1

The square root of (4x2-12x+9):

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(2x+3)

(2x-3)

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HCF of a²-b² and a³-b³ is:

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a-b

a+b

a²=ab+b²

a²-ab+b²

To find HCF, we use following method:

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By factorization

By division

Both a and b

None

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H.C.F of x²-4 and 2x²+x-6:

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(x-2)

(x+2)

(2x-3)

(x+2)(2x-3)

HCF of x²+3x+2, x²+4x+3 and x²+5x+4 is:

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x+1

(x+1)(x+2)

(x+3)

(x+4)(x+1)

HCF of 5x²y² and 20x³y³ is:

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5x²y²

20x³y³

10x⁵y⁵

5xy

HCF of a³+b³ and a²-ab+b² is:

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a+b

a²-ab+b²

(a-b)²

a²+b²

HCF of x²-5x+6 and x²-x-6 is:

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x-3

x+2

x²-4

x-2

LCM of 15x² , 45xy and 30xy is:

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90xyz

90x²yz

15xyz

15x²yz

H.C.F of p³q - pq³ and p⁵q² - p²q⁵ is _________:

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pq(p²-q²)

pq(p-q)

p²q²(p-q)

pq(p³-q³)

The product of two algebraic expressions is equal to the _________ of their HCF and LCM:

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Sum

Difference

Product

Quotient

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9th Class Mathematics Chapter 6 Algebraic manipulation English Medium KPK Boards Online Mcqs MCQs With Answers

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