The Student Room Group

Differentiate

a²+x²/a²-x²
Reply 1
When differentiating a function of x divided by another function of x, you want to use quotient rule.

See below link for an explanation and example:
https://www.savemyexams.com/a-level/maths_pure/edexcel/18/revision-notes/7-differentiation/7-3-further-differentiation/7-3-5-quotient-rule/
Reply 2
2x/a2 -2x
Reply 3
Original post by cjdjmuffin
a²+x²/a²-x²

are you trying to differentiate with respect to x? What rules do you know, and what are your thoughts so far?

Post some working if stuck :smile:
Reply 4
Original post by cjdjmuffin
a²+x²/a²-x²

assuming a is constant and derivative is w.r.t. x...

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