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If angle C of a triangle A B C is a right angle, then what is A + B equal to?

Options

  1. Aa^2-b^2 a b
  2. Ba^2 b c
  3. Cb^2 c a
  4. Dc^2 a b

Correct answer

D. c^2 a b

Step-by-step solution

we have c^2=a^2+b^2 aligned & A+ B= a b + b a & = a^2+b^2 a b = c^2 a b aligned

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