A helicopter is flying along the curve given by y−x |
|||

(a) |
(b) |
||

(c) |
(d) |

A helicopter is flying along the curve given by y−x |
|||

(a) |
(b) |
||

(c) |
(d) |

1 Answer

127 votes

y−x^{3/2}=7(x

x^{1/2}

=−1

x^{2}=−x

3x^{2}=1−2x

3x^{2}+2x−1=0

3x^{2}+3x−x−1=0

(x+1)(3x−1)=0

∴x=−1(rejected)

x=

y=7+x^{3/2}=7+

_{AB}= =

=

==

Option(c)

127 votes

127