Question

Solution please (no spam)

Answer 1

Solution is in the above attachment

Answer 2

Step-by-step explanation:

→ 9x² - 12x + 4 = 0.

D = b² - 4ac.

= ( -12 ) ² - 4 × 9 × 4.

= 144 - 144.

= 0.

Hence, roots are equal.

Therefore, x = -b/2a.

= - ( -12 ) /(2 × 9 ) .

= 12/18.

= 2/3.

Hence, roots are [ 2/3 and 2/3 ].