UPSC NDA Math Model Paper 10

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Comprehension:(Que No. 92 - 93)
Consider the spheres x2+y2+z2−4y+3=0
And x2+y2+z2+2x+4z−4=0
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Question : 93 of 120
 
Marks: +1, -0
Consider the following statements:
1. The two spheres intersect each other.
2. The radius of first sphere is less than that of second sphere.
Which of the above statements is/are correct?
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