Question
If (9p2+4), (2p+7) and (8p2-1) are three sides of a triangle. Which of the following CANNOT be a value for p?
Answer: Option C
:
C
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:
C
Ans: c 2√2 .
Soln: Reverse Gear Approach: Use answer options
The largest side should be smaller than sum of other 2 sides.
The sides are 76, 4√2+7, 63; Here the sum of last two sides is 75.6 which is lesser than 76
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