Question

3a+1/3a = 2√3 find 3a-1/3a

Answer 1

Answer:

4

Step-by-step explanation:

3a+1/3a= 2√3

(3a+1/3a)²= 12. on squaring

(3a-1/3a)² - 4×3a×1/3a= 12

(3a-1/3a)² = 12+4=16

3a-1/3a= 4. taking square root.

answer=> 3a-1/3a= 4

formula used:-

(a+b)²= (a-b)² - 4ab