a square + 1 by a square minus 18
Answers
Answered by
3
Answer:
=> a2 + 1/a2 - 18 = 0
=> a2 + 1/a2 = 18
=> (a + 1/a)2 = a2 + 1/a2 + 2.a.1/a
=> (a + 1/a)2 = 18 - 2
=> (a + 1/a)2 = √16
=> a + 1/a = 4 Ans.
Step-by-step explanation:
hope it's help you‼️‼️☑️☑️
Answered by
8
Answer:
=> a2 + 1/a2 - 18 = 0
=> a2 + 1/a2 = 18
=> (a + 1/a)2 = a2 + 1/a2 + 2.a.1/a
=> (a + 1/a)2 = 18 - 2
=> (a + 1/a)2 = √16
=> a + 1/a = 4 Ans.
Similar questions