Question

7. Find the roots of the following polynomial equation
(ii) 9x2 - 4 = 0​

Answer 1

Answer:

Explanation:

9

x

2

−

4

=

0

Move the

4

to the RHS

9

x

2

=

4

Divide both sides by

9

x

2

=

4

9

Take the square root of both sides

√

x

2

=

±

√

4

9

Simplify

x

=

±

2

3

∴

x

=

−

2

3

,

x

=

2

3