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Question

if x equals acos squared space theta sin space theta and y equals asin squared space theta cos space theta then fraction numerator open parentheses x squared plus y squared close parentheses to the power of 4 over denominator x squared y squared end fraction equals

  1. a    
  2. straight a cubed    
  3. straight a squared    
  4. a to the power of 5    

The correct answer is: straight a squared


    Given x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x plus 8 y plus 1 equals 0
    S subscript 1 end subscript equals S subscript 11 end subscript blank i s blank p e r p e n d i c u l a r blank t o blank 3 x plus 2 y plus 4 equals 0
    blank 3 x plus 2 y minus 4 equals 0

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