find domain of x .........

find domain of sin-1{x2 + 12x} m not able to find it... please help me...!!

4 Answers

21
mohit_ sharma ·

i m not sure but i think its domain consists of two points -1 & 1

36
rahul ·

exactly...

1
anky2930 don ·

You should give full problem

sin-1{x2 + 1} 2x

because if this Equation equal zero than

Sin-1{x2+1}/2x= 0
{x2+1}/2x=0
x2+1=0
x2=-1
X=√-1

http://math.tutorvista.com/geometry/adjacent-angles.html

1357
Manish Shankar ·

(x2+1)/2x=(1/2)*(x+1/x)
So we have
(1/2)*(x+1/x)≤-1
(1/2)*(x+1/x)≥+1

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