Question

12. Factorisation of x²/4y² - 1/3 +y²/9x² is *

A. ( x/2y - y/3x )².

B. ( x/2y + y/3x)².

C. ( x/3y + y/2x)²

D. ( x/3y - y/2x)²

13. Factorisation of 4√5x² + 17x-3✓5 is *

A. ( x+√5 )(4√5x - 3 )

B. (5x+√3 )(√3x -7 )

C. (√3x +1 )(2x+√3 ).​

Answer 1

Answer:

1)B is the correct answer

2) C is the correct answer.