Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

lim 4x-1 x->1/4 2 x 1/2 - 1

 


lim         4x-1         






x->1/4    2x1/2 - 1

Grade:Upto college level

1 Answers

vikas askiitian expert
509 Points
11 years ago

lim                 4x-1/2x1/2-1

x-->1/4

4x-1 can be written as (2x1/2 )2 -12                                   [a2-b2=(a-b)(a+b)]

                               =(2x1/2-1)(2x1/2+1)

now we have

 

 

lim x-->1/4  (2x1/2-1)(2x1/2+1)/(2x1/2-1)

lim x-->1/4  (2x1/2+1)

taking limit we get

 limit = 2 ans

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free