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Most Important Selected Qs for JEE AdvancedMathematicsTrigonometry

Let = ( 65^ + 3 85^ + 85^ 65^ )^2 , then =

Correct answer

3

Step-by-step solution

aligned & = ( 65^ + 3 85^ + 85^ 65^ )^2= ( 65^ +2 145^ 65^ )^2= ( 25^ + 35^ + 35^ 65^ )^2 & = ( 85^ + 35^ 65^ )^2= ( 2 60^ 25^ 65^ )^2=3 aligned

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