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Consiser the system of equations x cos^(...

Consiser the system of equations `x cos^(3)y+3xcosysin^(2)y=14to(1)` and `xsin^(3)y+3xcos^(2)y=13to(2)`
The value of x is/are

A

`+-5sqrt(5)`

B

`+-sqrt(5)`

C

`+-1/(sqrt(5))`

D

`+-1/(5sqrt(5))`

Text Solution

Verified by Experts

The correct Answer is:
A
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