# Class 11 RD Sharma Solutions – Chapter 29 Limits – Exercise 29.5 | Set 2

• Last Updated : 03 Mar, 2021

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Dividing numerator and denominator by x-a  Applying the formula here, for numerator and for denominator   ### Question 12. If , find the value of n.

Solution: LHS = Applying the formula LHS = RHS = 108

LHS = RHS     ### Question 13. If , find all possible values of a.

Solution: LHS= Applying the formula LHS = RHS = 9

LHS = RHS      a=1 and a=-1

### Question 14. If , find all possible values of a.

Solution: LHS = Applying the formula LHS = RHS = 405

LHS = RHS      a=3 and a=-3

### Question 15. If , find all possible values of a.

Solution: LHS= Applying the formula LHS= RHS= LHS=RHS    a=1 and a=-1

### Question 16. If , find all possible values of a.

Solution: LHS= Applying the formula LHS= RHS= LHS=RHS    and My Personal Notes arrow_drop_up