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sin^2A=x^2+y^2+1/2x then x will be a.-3 b.-2 c.1 d.3

 
sin^2A=x^2+y^2+1/2x        then x will be
 
a.-3    b.-2     c.1      d.3

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Grade:12

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4407 Points
4 years ago
x can be 1 because when x equal to 1, y should be zero only this possibility.
x cant be negative because sin^square is always positive
x can be 3 as well

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