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

**Question 11. **

**Solution:**

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