Question

The equation (√x+1) -(√x-1)=(√4x-1) has How many solution ​

Answer 1

Answer:

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MATHS

The equation

x+1

−

x−1

=

4x−1

has

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ANSWER

Given,

x+1

−

x−1

=

4x−1

⇒x+1+x−1−2

x+1

x−1

=4x−1

⇒−2

x

2

−1

=2x−1

⇒4x

2

−4=4x

2

+1−4x

⇒4x=−5⇒x=−

4

5

But for x=−

4

5

x+1

,

x−1

,

4x−1

are not define.

Therefore, no solution

Hence, option 'A' is correct.