Hello,
The conjugate of a number a-b is a+b (and conversely). (a-b)(a+b)=aČ-bČ. This is why it can be very useful when you want to get rid of some square roots, or transforming a difference into a sum.
Multiply by
Hello,
The conjugate of a number a-b is a+b (and conversely). (a-b)(a+b)=aČ-bČ. This is why it can be very useful when you want to get rid of some square roots, or transforming a difference into a sum.
Multiply by