If 2^(x^(2)) =1 , "then" sqrtx =...

If ` 2^(x^(2)) =1 , "then" sqrtx` =

A

2.24

B

2.23606…

C

2.449

D

undetermined

Text Solution

Verified by Experts

The correct Answer is:

B

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If f (1) =1 f'(1)=2 then the value of lim _(xto1) (sqrt(f(x))-1)/(sqrtx-1) is-

A

2

B

`1/2`

C

4

D

1

If f(x) = x^2 and g(x) = sqrtx , then the correct relation will be

A

`g{f(4)} = 4 `

B

`g{f(3)} = 6`

C

`g{f(-2)} = -2 `

D

`g{f(2)} = 4`

If the term independent of x in the expansion of (sqrtx +(k)/(x^(2)))^(10) is 405, then the values of k are-

A

`pm6`

B

`pm5`

C

`pm3`

D

`pm4`

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CALCUTTA BOOK HOUSE-REAL NUMBERS -Exercise 1.3 ( MCQ)

If 2^(x^(2)) =1 , "then" sqrtx =
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