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Question 1
The number of terms in the expansion of 
; where 
and 
.
; where and .
Question 2
If 
and 
then the approx value of A+B:
and then the approx value of A+B:
Question 3
Find the coefficient of 9th term of the in the expansion of 
:
:
Question 4
Which of the following statements is a tautology?
Question 5
The length of the perpendicular from the origin, on the normal to the curve, x2 + 2xy – 3y2 = 0 at the point (2, 2) is:
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