Question

. ℎ ℎ 2−3 ℎ ℎ ℎ ℎ l ​

Answer 1

Answer:

Step-by-step explanation:

ℎ ℎ 2−3 ℎ ℎ ℎ ℎ l ​Given,

x+2,2x,2x+3 are in A.P.

⇒(2x)−(x+2)=(2x+3)−(2x)

2x−x−2=2x+3−2x

x−2=3

∴x=5

The consecutive numbers are : 5+2,2(5),2(5)+3

⇒7,10,13

Answer 2

Step-by-step explanation:

f(h−h

2

+1)−f(1)

f(2h+2+h

2

)−f(2)

Apply L-Hospital Rule

h→0

lim

f

′

(h−h

2

+1)(1−2h)

f

′

(2h+2+h

2

)(2+2h)

=

f

′

(1)(1)

f

′

(2)(2)

=

4

2×6

=3