See goodsamathritan's answer to Fiona Tan's Secondary 3 E Maths Singapore question

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 4 years ago

Fiona Tan

4 years ago

So what u trying to say for the key concept?

Goodsamathritan

4 years ago

to get rid of a power, you raise it to the power of its reciprocal.