A) \[-1\]
B) 1
C) \[-2\]
D) 2
Correct Answer: C
Solution :
Centres of the first sphere is (-3, 4, 1) and the second sphere is (5, -2, 1). Their mid point is (1,1,1). Since it satisfies the equation of plane. So, \[2a-3a+4a+6=0\] \[\Rightarrow \] \[a=-2\]You need to login to perform this action.
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