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Question

If secθ=2p and tanθ=2p, find the value of 2(p1p2).

A
12
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B
12
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C
14
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D
18
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Solution

The correct option is A 12
we know that,
1+tan2θ=sec2θ1+4p2=4p21=4(p21p2)14=(p21p2)

So, 2(p21p2)=12

Therefore, Answer is 12

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