Question : If
Option 1: 9
Option 2: 10
Option 3: 12
Option 4: 11
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Correct Answer: 10
Solution :
Given:
Divide both sides by
⇒
Squaring both sides we get
⇒
⇒
⇒
Again squaring both sides we get,
⇒
⇒
⇒
Multiplying with
⇒
Hence, the correct answer is 10.
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