Tuesday, April 21, 2020

Matematika Sukino Kelas XI Jilid 2B BAB 11 Turunan LKS 3 no 1

Kunci Jawaban Matematika Sukino
Soal dan Pembahasan Buku Matematika Sukino Kelas 11
Kelas XI
Bab 11 Turunan

A.

1. lim h→0
(x+h)2+(x+h) + 1 - (x2+x + 1)
------------------------------------- = ....
h

a. x2+ 2x + 1
b. x2+ 2x
c. x2 + 1
d. 2x + 1
e. 2x

Jawaban : D

lim h→0
(x+h)2+(x+h) + 1 - (x2+x + 1)
------------------------------------- =
h

lim h→0
x2+2hx + h2+ x + h + 1 - x2 - x - 1
------------------------------------------- =
h

lim h→0
2hx + h2 + h
----------------- =
h

lim h→0
h (2x + h + 1)
----------------- =
h

lim h→0
(2x + h + 1) =

2x + 0 + 1 = 2x + 1

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