Answer :

kkpc22803
as  x tends to 3 it will have (0/0) indeterminate form
 so removing indeterminate  we have to use l'hospital rule   
differentiate numerator and denominator individually  and then put value of x=3
 hence  (3x^2+4x-14)/2x-1= (3x9+4x3-14)/5=  25/5=5
wwwyogeshrr

Answer:

Step-by-step explanation:

Sum = P lent out

after one year, Rs 2, 200 = P (1 + r /100 )

After 4 years  Rs 2, 800 =  P (1 + 4 r /100)

Subtract equation 1 from equation 2 :  Rs 2, 800 - RS 2, 200 = 3 P r /100

                                     P r = Rs 20,000

Substituting the value of P r in equation 1 :

           2, 200  = P + 200            So P = Rs 2,000.

             r = 20,000 / 2,000 = 10

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