Question

if X equal root under 5 + root under 3 but root under 5 minus root 3 and Y = root under 5 minus root under 3 but I root under 5 + root under 3 find the value of x square + Y square​

Answer 1

Answer:

To square a number, just multiply it by itself ...

Example: What is 3 squared?

3 Squared = 3x3 box = 3 × 3 = 9

"Squared" is often written as a little 2 like this:

4 Squared equals 16

This says "4 Squared equals 16"

(the little 2 means the number appears twice in multiplying, so 4×4=16)

Step-by-step explanation:

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