Find the Arithmetic Mean (A.M) between √5 + 4 and √5 − 4.
Find the Arithmetic Mean (A.M) between √5 + 4 and √5 − 4.
Explanation
A.M = (a + b) / 2
Here,
a = √5 + 4
b = √5 − 4
Now add:
(√5 + 4) + (√5 − 4) = 2√5
Now divide by 2:
A.M = 2√5 / 2 = √5
A.M = (a + b) / 2
Here,
a = √5 + 4
b = √5 − 4
Now add:
(√5 + 4) + (√5 − 4) = 2√5
Now divide by 2:
A.M = 2√5 / 2 = √5