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MHT CET20228 Aug 2022Morning ShiftMathematicsTrigonometric Ratios & IdentitiesActual

The value of ( + )^2+( + )^2 is

Options

  1. A2 ^2 ( - 2 )
  2. B2 ^2 ( - 2 )
  3. C4 ^2 ( - 2 )
  4. D4 ^2 ( - 2 )

Correct answer

C. 4 ^2 ( - 2 )

Step-by-step solution

aligned & ( + )^2+( + )^2 & = ( ^2 + ^2 )+ ( ^2 + ^2 )+2( + ) & =1+1+2 ( - ) & =2 1+ ( - ) & =2 2 ^2 ( - 2 ) & =4 ^2 ( - 2 ) aligned

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