Question

If 15x2 is a divisible by 3. Find the value of x.​

Answer 1

Answer:

1

Step-by-step explanation:

According to question-

15x2 is divisible by 3

divisibility rule of 3- the sum of digits is divisible by 3.

⇒ 1+5+x+2 is divisible by 3

⇒ 8+x should be divisible by 3

As the multiple of 3 after 8 is 9, x = 9-8 = 1

⇒x = 1

Answer 2

Answer:

x= √1/5

Step-by-step explanation:

15x²/3 =0

15x² = 3

x²= 3/15

x²= 1/5

x=√1/5