Question # 1

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

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(2x+3)

(2x-3)

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LCM of a²+b² and a⁴-b⁴ is:

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a²+b²

a²-b²

a⁴-b⁴

a-b

HCF of x-2 and x+x-6 is:

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x²+x-6

x+3

x-2

x+2

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

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Sum

Difference

Product

Quotient

HCF of 5x²y² and 20x³y³ is:

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5x²y²

20x³y³

10x⁵y⁵

5xy

HCF of x²-5x+6 and x²-x-6 is:

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x-3

x+2

x²-4

x-2

HCF of p³q-pq³ and p⁵q²-p²q⁵ is:

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pq(p²-q²)

pq(p-q)

p²q²(p-q)

pq(p³-q³)

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 x-2 and x²+x-6 is _______:

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x²+x-6

x+3

x-2

x+2

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)

LCM of 15x² , 45xy and 30xy is:

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90xyz

90x²yz

15xyz

15x²yz

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Mathematics 9th Class English Medium Unit 6 Online Test MCQs With Answers

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