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The circles x^2+y^2-25=0 and 3(x^2+y^2)-...

The circles `x^2+y^2-25=0` and `3(x^2+y^2)-30x - 40y + 175=0` touch each other at :

A

(3,4)

B

(1,2)

C

(4,5)

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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