A) 8
B) 6
C) 9
D) 12
Correct Answer: B
Solution :
if \[P(a{{t}_{1}}^{2},2a{{t}_{1}})\]and \[Q(a{{t}_{2}}^{2},2a{{t}_{2}}),\]and \[T(a{{t}_{1}}{{t}_{2}},a({{t}_{1}}+{{t}_{2}}))\] \[\therefore \] \[S{{T}^{2}}=SP.SQ=3\times 12=36\] \[\therefore \] \[ST=6\]You need to login to perform this action.
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