Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 12

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IMPORTANT

Earn 100

Find the value of $k$ , if $x - 1$ is a factor of $4 x^{3} + 3 x^{2} - 4 x + k$ .

Important Questions on Solved Examples

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9th Karnataka Board

IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 13

Factorise

6 x^{2} + 17 x + 5

by splitting the middle term, and by using the Factor Theorem.

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9th Karnataka Board

IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 14

Factorise

y^{2} - 5 y + 6

by using the factor theorem.

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9th Karnataka Board

IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 15

Factorise

x^{3} - 23 x^{2} + 142 x - 120

.

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IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 17

Evaluate

105 \times 106

without multiplying directly.

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9th Karnataka Board

IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 18

Factorise:

$49 a^{2} + 70 a b + 25 b^{2}$

MEDIUM

9th Karnataka Board

IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 18

Factorise:

$\frac{25}{4} x^{2} - \frac{y^{2}}{9}$

HARD

9th Karnataka Board

IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 19

Write

{(3 a + 4 b + 5 c)}^{2}

in expanded form.

HARD

9th Karnataka Board

IMPORTANT

Mathematics 9 Part I>Chapter NA - Solved Examples>Exercise 1>Q 20

Expand

{(4 a - 2 b - 3 c)}^{2}

.