Question

1
9. If a =∅ and a -
= 3; find :
a
(i) a2 +¹a²
(ii) a? -
a2
a​

Answer 1

Answer:a-1/a can be written as

a/a -1/a =5

multiply by a to get a-1 =5a

collect like terms

-1 = 4a

a=-1/4

Now sub into second equation

1/a^2 =?

Well a^2 =-1/4 * -1/4 which would be 1/16

1/1/16 is the same as 1/1 divided by 1/16 is the same as 1/1 multiplied by 16/1 which is 16/1 which is 16

Therefore 1/a^2 = 16

Step-by-step explanation: