Page 216 - DMTH201_Basic Mathematics-1

Unit 7: Limits

3. Notes

To verify this, consider
2
f(x) = 5x + 2x + 3
and g(x) = x + 2

Then =

=

=

...(i)

Again =

=

=

= 6 ...(ii)
From (i) and (ii),
=

4.

We have = (–1)2 + 5 (–1) + 6

= 1– 5 + 6
= 2
and = –1 + 2

= 1

= ....(i)

=

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