Q1 of 45 Page 1

Let * be a binary operation, on the set of all non-zero real numbers, given by a*b = ab/5 for all a,b∈R - {0}. Find the value of x, given that 2 * (x * 5) = 10.

Given that, ∀ a,b ∈R- {0}


Now,





Also, we have 2 * (x * 5) = 10


⇒


⇒



⇒ x = 25


More from this chapter

All 45 →
2

If then find the value of x.

 3

Iffind (x – y).

 4

Solve the following matrix equation for x: [x 1]

 5

Ifwrite the value of x.