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Question

Using quadratic formula solve the given quadratic equation
p2x2+(p2q2)xq2=0,p0

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Solution

We have p2x2+(p2q2)xq2=0,p0

Comparing this equation with ax2+bx+c=0 we have

a=p2,b=p2pq,c=q2

D=b24ac=(p2q2)24×p2×q2=(p2+q2)2>0

So, the given equation has real roots given by

α=bD2a=(p2q2)+(p2+q2)2p2=q2p2
β=bD2a=(p2q2)(p2+q2)2p2=1

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