Question
In the given figure, two identical circles of radius 4
cm touch each other. A and B are the centres of the two circles. If RQ is a tangent to the circle, then what is the length (in cm) of RQ?Solution

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= 2 then find If p = 35 - q - r and pq + r(p + q) = 324, then find the value of (p² + q² + r²).
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