Tf tan .8 Nola In a triangle PQR, Z...
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Tf tan .8 Nola In a triangle PQR, ZR = ind tan are the roots of ax2 + bx + c = 0, a =0 then - (A) a = b + c (C) b = c [AIEEE-2005] (B) c = a + b (D) b = a + c

JEE/Engineering Exams
Maths
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( begin{aligned} & angle R=frac{pi}{2} Rightarrow & quad P+varnothing=frac{pi}{2} end{aligned} ) ( 3 frac{P}{2}+frac{Q}{2}=frac{pi}{4} ) ( Rightarrow tan left(frac{P}{2}+frac{Q}{varphi}right)=1 ) ( Rightarrow quad+a nleft(frac{P}{2}right)+tan frac{varphi}{2}=1-tan frac{P}{2} cdot tan frac{varphi}{2} ) ( sum frac{-b}{a}=1-frac{c}{9} ) ( =5-b=a-c ) ( Rightarrow quad a+b=c )
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