If #y=sqrt(x^2+6x+8)#,show that one value of #sqrt(1+iy)+sqrt(1-iy)=sqrt(2x+8)#?
2 Answers
Kindly find a Proof in the Explanation.
Explanation:
Adding
Taking square root,
Taking square root, we get,
Q.E.D.
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see below
Explanation:
Now we know it is true for any number from interval: