Question

how to replace * in maths​

Answer 1

Step-by-step explanation:

Change of Variables

Replace an expression (like "2x-3") with a variable (like "u")

Solve,

Then put the expression (like "2x-3") back into the solution (where "u" is).

Answer 2

Answer:

https://doubtnut.app.link/5WK7VJcHchb