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COMEDK2024MathematicsTrigonometric Ratios & Identities

The value of 18^ + 36^ is equal to

Options

  1. A5
  2. B5 2
  3. C2 5
  4. D5 -1 4

Correct answer

B. 5 2

Step-by-step solution

We have, 18^ + 36^ aligned & = 5 -1 4 + 5 +1 4 [ array l 18^ = 5 -1 4 and 36^ = 5 +1 4 array ] & = 5 4 + 5 4 - 1 4 + 1 4 = 5 2 aligned

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